-9r+8r=-4(r+4)+2(8-9r)

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Solution for -9r+8r=-4(r+4)+2(8-9r) equation: 



-9r+8r=-4(r+4)+2(8-9r)

We move all terms to the left:

-9r+8r-(-4(r+4)+2(8-9r))=0

We add all the numbers together, and all the variables

-9r+8r-(-4(r+4)+2(-9r+8))=0

We add all the numbers together, and all the variables

-1r-(-4(r+4)+2(-9r+8))=0



We calculate terms in parentheses: -(-4(r+4)+2(-9r+8)), so:

-4(r+4)+2(-9r+8)

We multiply parentheses

-4r-18r-16+16

We add all the numbers together, and all the variables

-22r

Back to the equation:

-(-22r)



We get rid of parentheses

-1r+22r=0

We add all the numbers together, and all the variables

21r=0

r=0/21

r=0

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