-4=-2+r/4

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



-4=-2+r/4

We move all terms to the left:

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

We add all the numbers together, and all the variables

-(r/4-2)-4=0

We get rid of parentheses

-r/4+2-4=0

We multiply all the terms by the denominator


-r+2*4-4*4=0

We add all the numbers together, and all the variables

-1r-8=0

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

-r=8

r=8/-1

r=-8

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