9x-(4x-7)=42

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Solution for 9x-(4x-7)=42 equation: 



9x-(4x-7)=42

We move all terms to the left:

9x-(4x-7)-(42)=0

We get rid of parentheses

9x-4x+7-42=0

We add all the numbers together, and all the variables

5x-35=0

We move all terms containing x to the left, all other terms to the right

5x=35

x=35/5

x=7

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