-3+7x+3(x-2)=31

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Solution for -3+7x+3(x-2)=31 equation: 



-3+7x+3(x-2)=31

We move all terms to the left:

-3+7x+3(x-2)-(31)=0

We add all the numbers together, and all the variables

7x+3(x-2)-34=0

We multiply parentheses

7x+3x-6-34=0

We add all the numbers together, and all the variables

10x-40=0

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

10x=40

x=40/10

x=4

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