Question

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which equation can be used to find the value of x?
find the value of x.

Explanation:

Step1: Combine like terms

Combine \(68\) and \(72\) in the equation \(x + 68+72 = 180\).
\(x+(68 + 72)=180\)
\(x + 140=180\)

Step2: Solve for \(x\)

Subtract \(140\) from both sides of the equation \(x + 140=180\).
\(x+140-140=180 - 140\)
\(x = 40\)

Answer:

\(40\)