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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

4a+(-2a)+10=0

We get rid of parentheses

4a-2a+10=0

We add all the numbers together, and all the variables

2a+10=0

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

2a=-10

a=-10/2

a=-5

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