15-4r=-r+4+2

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Solution for 15-4r=-r+4+2 equation: 



15-4r=-r+4+2

We move all terms to the left:

15-4r-(-r+4+2)=0

We add all the numbers together, and all the variables

-4r-(-1r+6)+15=0

We get rid of parentheses

-4r+1r-6+15=0

We add all the numbers together, and all the variables

-3r+9=0

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

-3r=-9

r=-9/-3

r=+3

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