45=8r-56

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Solution for 45=8r-56 equation: 



45=8r-56

We move all terms to the left:

45-(8r-56)=0

We get rid of parentheses

-8r+56+45=0

We add all the numbers together, and all the variables

-8r+101=0

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

-8r=-101

r=-101/-8

r=12+5/8

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