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Question
check your understanding
- if 3x + 7 = 20, what is 3x + 10?
- if 4x - 16 = 32, what is 4x?
- if ☺☺ + 6 =22, then what is ☺ +3?
- 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.
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…
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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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