5(-9a-9)=-9(5a+5)

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Solution for 5(-9a-9)=-9(5a+5) equation: 



5(-9a-9)=-9(5a+5)

We move all terms to the left:

5(-9a-9)-(-9(5a+5))=0

We multiply parentheses

-45a-(-9(5a+5))-45=0



We calculate terms in parentheses: -(-9(5a+5)), so:

-9(5a+5)

We multiply parentheses

-45a-45

Back to the equation:

-(-45a-45)



We get rid of parentheses

-45a+45a+45-45=0

We add all the numbers together, and all the variables

=0

a=0/1

a=0

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