-9(r+5)=-10(r-10)+r

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Solution for -9(r+5)=-10(r-10)+r equation: 



-9(r+5)=-10(r-10)+r

We move all terms to the left:

-9(r+5)-(-10(r-10)+r)=0

We multiply parentheses

-9r-(-10(r-10)+r)-45=0



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

-10(r-10)+r

We add all the numbers together, and all the variables

r-10(r-10)

We multiply parentheses

r-10r+100

We add all the numbers together, and all the variables

-9r+100

Back to the equation:

-(-9r+100)



We get rid of parentheses

-9r+9r-100-45=0

We add all the numbers together, and all the variables

-145!=0

There is no solution for this equation

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