5(-7a+7)-7a=-217

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Solution for 5(-7a+7)-7a=-217 equation: 



5(-7a+7)-7a=-217

We move all terms to the left:

5(-7a+7)-7a-(-217)=0

We add all the numbers together, and all the variables

-7a+5(-7a+7)+217=0

We multiply parentheses

-7a-35a+35+217=0

We add all the numbers together, and all the variables

-42a+252=0

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

-42a=-252

a=-252/-42

a=+6

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