7x+2(7x-20)=170

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Solution for 7x+2(7x-20)=170 equation: 



7x+2(7x-20)=170

We move all terms to the left:

7x+2(7x-20)-(170)=0

We multiply parentheses

7x+14x-40-170=0

We add all the numbers together, and all the variables

21x-210=0

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

21x=210

x=210/21

x=10

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