-3r-8=-5-12

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Solution for -3r-8=-5-12 equation:


-3r-8=-5-12

We simplify the equation to the form, which is simple to understand 
-3r-8=-5-12

We move all terms containing r to the left and all other terms to the right. 
-3r=-5-12+8

We simplify left and right side of the equation. 
-3r=-9

We divide both sides of the equation by -3 to get r. 
r=3

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