r/4-3.5=-1

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Solution for r/4-3.5=-1 equation: 



r/4-3.5=-1

We move all terms to the left:

r/4-3.5-(-1)=0

We add all the numbers together, and all the variables

r/4-2.5=0

We multiply all the terms by the denominator


r-(2.5)*4=0

We add all the numbers together, and all the variables

r-10=0

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

r=10

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