a-2(2-a)=8

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



a-2(2-a)=8

We move all terms to the left:

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

We add all the numbers together, and all the variables

a-2(-1a+2)-8=0

We multiply parentheses

a+2a-4-8=0

We add all the numbers together, and all the variables

3a-12=0

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

3a=12

a=12/3

a=4

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