16+4r=-7r+8(r-1)

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Solution for 16+4r=-7r+8(r-1) equation: 



16+4r=-7r+8(r-1)

We move all terms to the left:

16+4r-(-7r+8(r-1))=0



We calculate terms in parentheses: -(-7r+8(r-1)), so:

-7r+8(r-1)

We multiply parentheses

-7r+8r-8

We add all the numbers together, and all the variables

r-8

Back to the equation:

-(r-8)



We get rid of parentheses

4r-r+8+16=0

We add all the numbers together, and all the variables

3r+24=0

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

3r=-24

r=-24/3

r=-8

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