-8=-4a+2a

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Solution for -8=-4a+2a equation: 



-8=-4a+2a

We move all terms to the left:

-8-(-4a+2a)=0

We add all the numbers together, and all the variables

-(-2a)-8=0

We get rid of parentheses

2a-8=0

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

2a=8

a=8/2

a=4

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