(2a+)-(4a-8)=7

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Solution for (2a+)-(4a-8)=7 equation: 



(2a+)-(4a-8)=7

We move all terms to the left:

(2a+)-(4a-8)-(7)=0

We add all the numbers together, and all the variables

(+2a)-(4a-8)-7=0

We get rid of parentheses

2a-4a+8-7=0

We add all the numbers together, and all the variables

-2a+1=0

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

-2a=-1

a=-1/-2

a=1/2

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