2(-9a-5)-4a=12

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Solution for 2(-9a-5)-4a=12 equation: 



2(-9a-5)-4a=12

We move all terms to the left:

2(-9a-5)-4a-(12)=0

We add all the numbers together, and all the variables

-4a+2(-9a-5)-12=0

We multiply parentheses

-4a-18a-10-12=0

We add all the numbers together, and all the variables

-22a-22=0

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

-22a=22

a=22/-22

a=-1

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