-3(a-2)=-6(a-7)

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Solution for -3(a-2)=-6(a-7) equation: 



-3(a-2)=-6(a-7)

We move all terms to the left:

-3(a-2)-(-6(a-7))=0

We multiply parentheses

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



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

-6(a-7)

We multiply parentheses

-6a+42

Back to the equation:

-(-6a+42)



We get rid of parentheses

-3a+6a-42+6=0

We add all the numbers together, and all the variables

3a-36=0

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

3a=36

a=36/3

a=12

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