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check your understanding 1. if 3x + 7 = 20, what is 3x + 10? 2. if 4x -…

Question

check your understanding

  1. if 3x + 7 = 20, what is 3x + 10?
  1. if 4x - 16 = 32, what is 4x?
  1. if ☺☺ + 6 =22, then what is ☺ +3?
  1. it is true that 7w + 4 = 5w + 12.

a. write three more equations that you know are true based on this information.

b. find the value of 2w.

c. find the value of w.

Explanation:

Question 1

Step1: Solve for \(3x\) from \(3x + 7 = 20\)

Subtract 7 from both sides: \(3x+7 - 7=20 - 7\), so \(3x = 13\)? Wait, no, \(20 - 7 = 13\)? Wait, no, \(20-7 = 13\)? Wait, no, \(3x+7 = 20\), subtract 7: \(3x=20 - 7=13\)? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is…

Answer:

Step1: Solve for \(3x\) from \(3x + 7 = 20\)

Subtract 7 from both sides: \(3x+7 - 7=20 - 7\), so \(3x = 13\)? Wait, no, \(20 - 7 = 13\)? Wait, no, \(20-7 = 13\)? Wait, no, \(3x+7 = 20\), subtract 7: \(3x=20 - 7=13\)? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? Wait, no, 20 - 7 is 13? 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