7x+2(3x+7)=131

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Solution for 7x+2(3x+7)=131 equation: 



7x+2(3x+7)=131

We move all terms to the left:

7x+2(3x+7)-(131)=0

We multiply parentheses

7x+6x+14-131=0

We add all the numbers together, and all the variables

13x-117=0

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

13x=117

x=117/13

x=9

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