-5(3a-3)=6(-7a+7)

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Solution for -5(3a-3)=6(-7a+7) equation: 



-5(3a-3)=6(-7a+7)

We move all terms to the left:

-5(3a-3)-(6(-7a+7))=0

We multiply parentheses

-15a-(6(-7a+7))+15=0



We calculate terms in parentheses: -(6(-7a+7)), so:

6(-7a+7)

We multiply parentheses

-42a+42

Back to the equation:

-(-42a+42)



We get rid of parentheses

-15a+42a-42+15=0

We add all the numbers together, and all the variables

27a-27=0

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

27a=27

a=27/27

a=1

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