4(a-3)=-2(-7a-9)

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Solution for 4(a-3)=-2(-7a-9) equation: 



4(a-3)=-2(-7a-9)

We move all terms to the left:

4(a-3)-(-2(-7a-9))=0

We multiply parentheses

4a-(-2(-7a-9))-12=0



We calculate terms in parentheses: -(-2(-7a-9)), so:

-2(-7a-9)

We multiply parentheses

14a+18

Back to the equation:

-(14a+18)



We get rid of parentheses

4a-14a-18-12=0

We add all the numbers together, and all the variables

-10a-30=0

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

-10a=30

a=30/-10

a=-3

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