-5(a+2)-(a-4)=28

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Solution for -5(a+2)-(a-4)=28 equation: 



-5(a+2)-(a-4)=28

We move all terms to the left:

-5(a+2)-(a-4)-(28)=0

We multiply parentheses

-5a-(a-4)-10-28=0

We get rid of parentheses

-5a-a+4-10-28=0

We add all the numbers together, and all the variables

-6a-34=0

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

-6a=34

a=34/-6

a=-5+2/3

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