-1=r-2/4

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Solution for -1=r-2/4 equation: 



-1=r-2/4

We move all terms to the left:

-1-(r-2/4)=0

We add all the numbers together, and all the variables

-(+r-2/4)-1=0

We get rid of parentheses

-r-1+2/4=0

We multiply all the terms by the denominator


-r*4+2-1*4=0

We add all the numbers together, and all the variables

-r*4-2=0

Wy multiply elements

-4r-2=0

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

-4r=2

r=2/-4

r=-1/2

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