-7a+8(a+9)=-10(a-5)

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Solution for -7a+8(a+9)=-10(a-5) equation: 



-7a+8(a+9)=-10(a-5)

We move all terms to the left:

-7a+8(a+9)-(-10(a-5))=0

We multiply parentheses

-7a+8a-(-10(a-5))+72=0



We calculate terms in parentheses: -(-10(a-5)), so:

-10(a-5)

We multiply parentheses

-10a+50

Back to the equation:

-(-10a+50)



We add all the numbers together, and all the variables

a-(-10a+50)+72=0

We get rid of parentheses

a+10a-50+72=0

We add all the numbers together, and all the variables

11a+22=0

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

11a=-22

a=-22/11

a=-2

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