7r-7=4r+8

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Solution for 7r-7=4r+8 equation:


7r-7=4r+8

We simplify the equation to the form, which is simple to understand 
7r-7=4r+8

We move all terms containing r to the left and all other terms to the right. 
+7r-4r=+8+7

We simplify left and right side of the equation. 
+3r=+15

We divide both sides of the equation by 3 to get r. 
r=5

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