10r=-8(-r+1)

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Solution for 10r=-8(-r+1) equation: 



10r=-8(-r+1)

We move all terms to the left:

10r-(-8(-r+1))=0

We add all the numbers together, and all the variables

10r-(-8(-1r+1))=0



We calculate terms in parentheses: -(-8(-1r+1)), so:

-8(-1r+1)

We multiply parentheses

8r-8

Back to the equation:

-(8r-8)



We get rid of parentheses

10r-8r+8=0

We add all the numbers together, and all the variables

2r+8=0

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

2r=-8

r=-8/2

r=-4

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