3a+12=-2a-18

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Solution for 3a+12=-2a-18 equation:



3a+12=-2a-18
We move all terms to the left:
3a+12-(-2a-18)=0
We get rid of parentheses
3a+2a+18+12=0
We add all the numbers together, and all the variables
5a+30=0
We move all terms containing a to the left, all other terms to the right
5a=-30
a=-30/5
a=-6

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