-(7+6a)=-7a-5(a-7)

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Solution for -(7+6a)=-7a-5(a-7) equation: 



-(7+6a)=-7a-5(a-7)

We move all terms to the left:

-(7+6a)-(-7a-5(a-7))=0

We add all the numbers together, and all the variables

-(6a+7)-(-7a-5(a-7))=0

We get rid of parentheses

-6a-(-7a-5(a-7))-7=0



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

-7a-5(a-7)

We multiply parentheses

-7a-5a+35

We add all the numbers together, and all the variables

-12a+35

Back to the equation:

-(-12a+35)



We get rid of parentheses

-6a+12a-35-7=0

We add all the numbers together, and all the variables

6a-42=0

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

6a=42

a=42/6

a=7

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