15=r-4

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Solution for 15=r-4 equation:


15=r-4

We simplify the equation to the form, which is simple to understand
15=r-4

We move all terms containing r to the left and all other terms to the right.
-1r=-4-15

We simplify left and right side of the equation.
-1r=-19

We divide both sides of the equation by -01 to get r.
r=19

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