2=-r/4-1

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Solution for 2=-r/4-1 equation: 



2=-r/4-1

We move all terms to the left:

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

We get rid of parentheses

r/4+1+2=0

We multiply all the terms by the denominator


r+1*4+2*4=0

We add all the numbers together, and all the variables

r+12=0

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

r=-12

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