3(a+4)=a-6

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Solution for 3(a+4)=a-6 equation: 



3(a+4)=a-6

We move all terms to the left:

3(a+4)-(a-6)=0

We multiply parentheses

3a-(a-6)+12=0

We get rid of parentheses

3a-a+6+12=0

We add all the numbers together, and all the variables

2a+18=0

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

2a=-18

a=-18/2

a=-9

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