3(1+3a)=-13+a

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Solution for 3(1+3a)=-13+a equation: 



3(1+3a)=-13+a

We move all terms to the left:

3(1+3a)-(-13+a)=0

We add all the numbers together, and all the variables

3(3a+1)-(a-13)=0

We multiply parentheses

9a-(a-13)+3=0

We get rid of parentheses

9a-a+13+3=0

We add all the numbers together, and all the variables

8a+16=0

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

8a=-16

a=-16/8

a=-2

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