-7a+170=-4a+149

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Solution for -7a+170=-4a+149 equation: 



-7a+170=-4a+149

We move all terms to the left:

-7a+170-(-4a+149)=0

We get rid of parentheses

-7a+4a-149+170=0

We add all the numbers together, and all the variables

-3a+21=0

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

-3a=-21

a=-21/-3

a=+7

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