-1+5a=-7(-2a-5)

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Solution for -1+5a=-7(-2a-5) equation: 



-1+5a=-7(-2a-5)

We move all terms to the left:

-1+5a-(-7(-2a-5))=0



We calculate terms in parentheses: -(-7(-2a-5)), so:

-7(-2a-5)

We multiply parentheses

14a+35

Back to the equation:

-(14a+35)



We get rid of parentheses

5a-14a-35-1=0

We add all the numbers together, and all the variables

-9a-36=0

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

-9a=36

a=36/-9

a=-4

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