-90=2(3-6r)

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Solution for -90=2(3-6r) equation:


-90=2(3-6r)

We simplify the equation to the form, which is simple to understand 
-90=2(3-6r)

Reorder the terms in parentheses
-90=+(+6-12r)

Remove unnecessary parentheses
-90=+6-12r

We move all terms containing r to the left and all other terms to the right. 
+12r=+6+90

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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