2a+3=-4a-12

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Solution for 2a+3=-4a-12 equation: 



2a+3=-4a-12

We move all terms to the left:

2a+3-(-4a-12)=0

We get rid of parentheses

2a+4a+12+3=0

We add all the numbers together, and all the variables

6a+15=0

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

6a=-15

a=-15/6

a=-2+1/2

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