2.5r-8=3.75r+7

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Solution for 2.5r-8=3.75r+7 equation: 



2.5r-8=3.75r+7

We move all terms to the left:

2.5r-8-(3.75r+7)=0

We get rid of parentheses

2.5r-3.75r-7-8=0

We add all the numbers together, and all the variables

-1.25r-15=0

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

-1.25r=15

r=15/-1.25

r=-12

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