r-12/22=-1

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Solution for r-12/22=-1 equation: 



r-12/22=-1

We move all terms to the left:

r-12/22-(-1)=0

We add all the numbers together, and all the variables

r+1-12/22=0

We multiply all the terms by the denominator


r*22-12+1*22=0

We add all the numbers together, and all the variables

r*22+10=0

Wy multiply elements

22r+10=0

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

22r=-10

r=-10/22

r=-5/11

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