1+7r-7=8

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Solution for 1+7r-7=8 equation:


1+7r-7=8

We simplify the equation to the form, which is simple to understand 
1+7r-7=8

We move all terms containing r to the left and all other terms to the right. 
+7r=+8-1+7

We simplify left and right side of the equation. 
+7r=+14

We divide both sides of the equation by 7 to get r. 
r=2

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