9(a+6)+3a=-7

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Solution for 9(a+6)+3a=-7 equation: 



9(a+6)+3a=-7

We move all terms to the left:

9(a+6)+3a-(-7)=0

We add all the numbers together, and all the variables

3a+9(a+6)+7=0

We multiply parentheses

3a+9a+54+7=0

We add all the numbers together, and all the variables

12a+61=0

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

12a=-61

a=-61/12

a=-5+1/12

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