-5(4r+10)=-3(10r+20)

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Solution for -5(4r+10)=-3(10r+20) equation: 



-5(4r+10)=-3(10r+20)

We move all terms to the left:

-5(4r+10)-(-3(10r+20))=0

We multiply parentheses

-20r-(-3(10r+20))-50=0



We calculate terms in parentheses: -(-3(10r+20)), so:

-3(10r+20)

We multiply parentheses

-30r-60

Back to the equation:

-(-30r-60)



We get rid of parentheses

-20r+30r+60-50=0

We add all the numbers together, and all the variables

10r+10=0

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

10r=-10

r=-10/10

r=-1

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