8(r-7)-3(2r+1)=-55

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Solution for 8(r-7)-3(2r+1)=-55 equation: 



8(r-7)-3(2r+1)=-55

We move all terms to the left:

8(r-7)-3(2r+1)-(-55)=0

We add all the numbers together, and all the variables

8(r-7)-3(2r+1)+55=0

We multiply parentheses

8r-6r-56-3+55=0

We add all the numbers together, and all the variables

2r-4=0

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

2r=4

r=4/2

r=2

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