6a-(2a-4)=-12

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Solution for 6a-(2a-4)=-12 equation: 



6a-(2a-4)=-12

We move all terms to the left:

6a-(2a-4)-(-12)=0

We add all the numbers together, and all the variables

6a-(2a-4)+12=0

We get rid of parentheses

6a-2a+4+12=0

We add all the numbers together, and all the variables

4a+16=0

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

4a=-16

a=-16/4

a=-4

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