4-r=-8-3r

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Solution for 4-r=-8-3r equation: 



4-r=-8-3r

We move all terms to the left:

4-r-(-8-3r)=0

We add all the numbers together, and all the variables

-r-(-3r-8)+4=0

We add all the numbers together, and all the variables

-1r-(-3r-8)+4=0

We get rid of parentheses

-1r+3r+8+4=0

We add all the numbers together, and all the variables

2r+12=0

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

2r=-12

r=-12/2

r=-6

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