-151=-7(-5a-5)-4a

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Solution for -151=-7(-5a-5)-4a equation: 



-151=-7(-5a-5)-4a

We move all terms to the left:

-151-(-7(-5a-5)-4a)=0



We calculate terms in parentheses: -(-7(-5a-5)-4a), so:

-7(-5a-5)-4a

We add all the numbers together, and all the variables

-4a-7(-5a-5)

We multiply parentheses

-4a+35a+35

We add all the numbers together, and all the variables

31a+35

Back to the equation:

-(31a+35)



We get rid of parentheses

-31a-35-151=0

We add all the numbers together, and all the variables

-31a-186=0

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

-31a=186

a=186/-31

a=-6

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