3(2a+9)=-15

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Solution for 3(2a+9)=-15 equation:



3(2a+9)=-15
We move all terms to the left:
3(2a+9)-(-15)=0
We add all the numbers together, and all the variables
3(2a+9)+15=0
We multiply parentheses
6a+27+15=0
We add all the numbers together, and all the variables
6a+42=0
We move all terms containing a to the left, all other terms to the right
6a=-42
a=-42/6
a=-7

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