(r/4)-9=-11

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Solution for (r/4)-9=-11 equation: 



(r/4)-9=-11

We move all terms to the left:

(r/4)-9-(-11)=0

We add all the numbers together, and all the variables

(+r/4)-9-(-11)=0

We add all the numbers together, and all the variables

(+r/4)+2=0

We get rid of parentheses

r/4+2=0

We multiply all the terms by the denominator


r+2*4=0

We add all the numbers together, and all the variables

r+8=0

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

r=-8

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