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1/2=r/15
We simplify the equation to the form, which is simple to understand
1/2=r/15
Simplifying:
+ 0.5=r/15
Simplifying:
+ 0.5=0.0666666666667r
We move all terms containing r to the left and all other terms to the right.
-0.0666666666667r=-0.5
We simplify left and right side of the equation.
-0.0666666666667r=-0.5
We divide both sides of the equation by -00.0666666666667 to get r.
r=7.5
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