7a-2(a-2)=-16

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Solution for 7a-2(a-2)=-16 equation: 



7a-2(a-2)=-16

We move all terms to the left:

7a-2(a-2)-(-16)=0

We add all the numbers together, and all the variables

7a-2(a-2)+16=0

We multiply parentheses

7a-2a+4+16=0

We add all the numbers together, and all the variables

5a+20=0

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

5a=-20

a=-20/5

a=-4

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