-13-5a=-2(4a+5)

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Solution for -13-5a=-2(4a+5) equation: 



-13-5a=-2(4a+5)

We move all terms to the left:

-13-5a-(-2(4a+5))=0



We calculate terms in parentheses: -(-2(4a+5)), so:

-2(4a+5)

We multiply parentheses

-8a-10

Back to the equation:

-(-8a-10)



We get rid of parentheses

-5a+8a+10-13=0

We add all the numbers together, and all the variables

3a-3=0

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

3a=3

a=3/3

a=1

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