-5(-4+2r)=-50

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Solution for -5(-4+2r)=-50 equation: 



-5(-4+2r)=-50

We move all terms to the left:

-5(-4+2r)-(-50)=0

We add all the numbers together, and all the variables

-5(2r-4)-(-50)=0

We add all the numbers together, and all the variables

-5(2r-4)+50=0

We multiply parentheses

-10r+20+50=0

We add all the numbers together, and all the variables

-10r+70=0

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

-10r=-70

r=-70/-10

r=+7

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