7+r+30=7(r+1)

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Solution for 7+r+30=7(r+1) equation: 



7+r+30=7(r+1)

We move all terms to the left:

7+r+30-(7(r+1))=0

We add all the numbers together, and all the variables

r-(7(r+1))+37=0



We calculate terms in parentheses: -(7(r+1)), so:

7(r+1)

We multiply parentheses

7r+7

Back to the equation:

-(7r+7)



We get rid of parentheses

r-7r-7+37=0

We add all the numbers together, and all the variables

-6r+30=0

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

-6r=-30

r=-30/-6

r=+5

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