7x+2(x-7)+3=70

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Solution for 7x+2(x-7)+3=70 equation: 



7x+2(x-7)+3=70

We move all terms to the left:

7x+2(x-7)+3-(70)=0

We add all the numbers together, and all the variables

7x+2(x-7)-67=0

We multiply parentheses

7x+2x-14-67=0

We add all the numbers together, and all the variables

9x-81=0

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

9x=81

x=81/9

x=9

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