r-2/22=-1

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Solution for r-2/22=-1 equation: 



r-2/22=-1

We move all terms to the left:

r-2/22-(-1)=0

We add all the numbers together, and all the variables

r+1-2/22=0

We multiply all the terms by the denominator


r*22-2+1*22=0

We add all the numbers together, and all the variables

r*22+20=0

Wy multiply elements

22r+20=0

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

22r=-20

r=-20/22

r=-10/11

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