8(-7+r)=-8r-40

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Solution for 8(-7+r)=-8r-40 equation: 



8(-7+r)=-8r-40

We move all terms to the left:

8(-7+r)-(-8r-40)=0

We add all the numbers together, and all the variables

8(r-7)-(-8r-40)=0

We multiply parentheses

8r-(-8r-40)-56=0

We get rid of parentheses

8r+8r+40-56=0

We add all the numbers together, and all the variables

16r-16=0

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

16r=16

r=16/16

r=1

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