-(x-13)=10(x+9)

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Solution for -(x-13)=10(x+9) equation: 



-(x-13)=10(x+9)

We move all terms to the left:

-(x-13)-(10(x+9))=0

We get rid of parentheses

-x-(10(x+9))+13=0



We calculate terms in parentheses: -(10(x+9)), so:

10(x+9)

We multiply parentheses

10x+90

Back to the equation:

-(10x+90)



We add all the numbers together, and all the variables

-1x-(10x+90)+13=0

We get rid of parentheses

-1x-10x-90+13=0

We add all the numbers together, and all the variables

-11x-77=0

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

-11x=77

x=77/-11

x=-7

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