2r-3(r-7)=15

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Solution for 2r-3(r-7)=15 equation:


2r-3(r-7)=15

We simplify the equation to the form, which is simple to understand 
2r-3(r-7)=15

Reorder the terms in parentheses
2r+(-3r+21)=15

Remove unnecessary parentheses
+2r-3r+21=+15

We move all terms containing r to the left and all other terms to the right. 
+2r-3r=+15-21

We simplify left and right side of the equation. 
-1r=-6

We divide both sides of the equation by -1 to get r. 
r=6

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