7(1+2r)=56

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Solution for 7(1+2r)=56 equation: 



7(1+2r)=56

We move all terms to the left:

7(1+2r)-(56)=0

We add all the numbers together, and all the variables

7(2r+1)-56=0

We multiply parentheses

14r+7-56=0

We add all the numbers together, and all the variables

14r-49=0

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

14r=49

r=49/14

r=3+1/2

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