3(1-5a)=-13-7a

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Solution for 3(1-5a)=-13-7a equation: 



3(1-5a)=-13-7a

We move all terms to the left:

3(1-5a)-(-13-7a)=0

We add all the numbers together, and all the variables

3(-5a+1)-(-7a-13)=0

We multiply parentheses

-15a-(-7a-13)+3=0

We get rid of parentheses

-15a+7a+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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