3(5a-4)=-3(4+5a)

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Solution for 3(5a-4)=-3(4+5a) equation: 



3(5a-4)=-3(4+5a)

We move all terms to the left:

3(5a-4)-(-3(4+5a))=0

We add all the numbers together, and all the variables

3(5a-4)-(-3(5a+4))=0

We multiply parentheses

15a-(-3(5a+4))-12=0



We calculate terms in parentheses: -(-3(5a+4)), so:

-3(5a+4)

We multiply parentheses

-15a-12

Back to the equation:

-(-15a-12)



We get rid of parentheses

15a+15a+12-12=0

We add all the numbers together, and all the variables

30a=0

a=0/30

a=0

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