-9(a-4)=-5(a-4)*

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Solution for -9(a-4)=-5(a-4)* equation: 



-9(a-4)=-5(a-4)*

We move all terms to the left:

-9(a-4)-(-5(a-4)*)=0

We multiply parentheses

-9a-(-5(a-4)*)+36=0



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

-5(a-4)*

We multiply parentheses

-5a+20

Back to the equation:

-(-5a+20)



We get rid of parentheses

-9a+5a-20+36=0

We add all the numbers together, and all the variables

-4a+16=0

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

-4a=-16

a=-16/-4

a=+4

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