10r+7r-12r=15+15

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Solution for 10r+7r-12r=15+15 equation:


10r+7r-12r=15+15

We simplify the equation to the form, which is simple to understand 
10r+7r-12r=15+15

We move all terms containing r to the left and all other terms to the right. 
+10r+7r-12r=+15+15

We simplify left and right side of the equation. 
+5r=+30

We divide both sides of the equation by 5 to get r. 
r=6

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