r/2+7=12

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Solution for r/2+7=12 equation:


r/2+7=12

We simplify the equation to the form, which is simple to understand 
r/2+7=12

We move all terms containing r to the left and all other terms to the right. 
 + 0.5r=+12-7

We simplify left and right side of the equation. 
 + 0.5r=+5

We divide both sides of the equation by 0.5 to get r. 
r=10

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