2+8(r-7)=-5(-2r+8)+5r

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Solution for 2+8(r-7)=-5(-2r+8)+5r equation: 



2+8(r-7)=-5(-2r+8)+5r

We move all terms to the left:

2+8(r-7)-(-5(-2r+8)+5r)=0

We multiply parentheses

8r-(-5(-2r+8)+5r)-56+2=0



We calculate terms in parentheses: -(-5(-2r+8)+5r), so:

-5(-2r+8)+5r

We add all the numbers together, and all the variables

5r-5(-2r+8)

We multiply parentheses

5r+10r-40

We add all the numbers together, and all the variables

15r-40

Back to the equation:

-(15r-40)



We add all the numbers together, and all the variables

8r-(15r-40)-54=0

We get rid of parentheses

8r-15r+40-54=0

We add all the numbers together, and all the variables

-7r-14=0

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

-7r=14

r=14/-7

r=-2

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