3a-2(2a+5)=-12

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Solution for 3a-2(2a+5)=-12 equation: 



3a-2(2a+5)=-12

We move all terms to the left:

3a-2(2a+5)-(-12)=0

We add all the numbers together, and all the variables

3a-2(2a+5)+12=0

We multiply parentheses

3a-4a-10+12=0

We add all the numbers together, and all the variables

-1a+2=0

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

-a=-2

a=-2/-1

a=+2

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