87=3(4r-3)

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Solution for 87=3(4r-3) equation:


87=3(4r-3)

We simplify the equation to the form, which is simple to understand 
87=3(4r-3)

Reorder the terms in parentheses
87=+(+12r-9)

Remove unnecessary parentheses
+87=+12r-9

We move all terms containing r to the left and all other terms to the right. 
-12r=-9-87

We simplify left and right side of the equation. 
-12r=-96

We divide both sides of the equation by -012 to get r. 
r=8

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