36-18r=4(3+r)

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Solution for 36-18r=4(3+r) equation: 



36-18r=4(3+r)

We move all terms to the left:

36-18r-(4(3+r))=0

We add all the numbers together, and all the variables

-18r-(4(r+3))+36=0



We calculate terms in parentheses: -(4(r+3)), so:

4(r+3)

We multiply parentheses

4r+12

Back to the equation:

-(4r+12)



We get rid of parentheses

-18r-4r-12+36=0

We add all the numbers together, and all the variables

-22r+24=0

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

-22r=-24

r=-24/-22

r=1+1/11

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