-13=3(a-2)

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Solution for -13=3(a-2) equation: 



-13=3(a-2)

We move all terms to the left:

-13-(3(a-2))=0



We calculate terms in parentheses: -(3(a-2)), so:

3(a-2)

We multiply parentheses

3a-6

Back to the equation:

-(3a-6)



We get rid of parentheses

-3a+6-13=0

We add all the numbers together, and all the variables

-3a-7=0

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

-3a=7

a=7/-3

a=-2+1/3

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