r/18=-4

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Solution for r/18=-4 equation: 



r/18=-4

We move all terms to the left:

r/18-(-4)=0

We add all the numbers together, and all the variables

r/18+4=0

We multiply all the terms by the denominator


r+4*18=0

We add all the numbers together, and all the variables

r+72=0

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

r=-72

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