7x+2(x+3)=42

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Solution for 7x+2(x+3)=42 equation: 



7x+2(x+3)=42

We move all terms to the left:

7x+2(x+3)-(42)=0

We multiply parentheses

7x+2x+6-42=0

We add all the numbers together, and all the variables

9x-36=0

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

9x=36

x=36/9

x=4

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