94=3r+7(r+2)

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Solution for 94=3r+7(r+2) equation: 



94=3r+7(r+2)

We move all terms to the left:

94-(3r+7(r+2))=0



We calculate terms in parentheses: -(3r+7(r+2)), so:

3r+7(r+2)

We multiply parentheses

3r+7r+14

We add all the numbers together, and all the variables

10r+14

Back to the equation:

-(10r+14)



We get rid of parentheses

-10r-14+94=0

We add all the numbers together, and all the variables

-10r+80=0

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

-10r=-80

r=-80/-10

r=+8

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