8(7+2r)-4=116

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Solution for 8(7+2r)-4=116 equation: 



8(7+2r)-4=116

We move all terms to the left:

8(7+2r)-4-(116)=0

We add all the numbers together, and all the variables

8(2r+7)-4-116=0

We add all the numbers together, and all the variables

8(2r+7)-120=0

We multiply parentheses

16r+56-120=0

We add all the numbers together, and all the variables

16r-64=0

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

16r=64

r=64/16

r=4

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