4=-5r+3r

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Solution for 4=-5r+3r equation: 



4=-5r+3r

We move all terms to the left:

4-(-5r+3r)=0

We add all the numbers together, and all the variables

-(-2r)+4=0

We get rid of parentheses

2r+4=0

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

2r=-4

r=-4/2

r=-2

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