2r-8=7(1+r)

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Solution for 2r-8=7(1+r) equation:


2r-8=7(1+r)

We simplify the equation to the form, which is simple to understand 
2r-8=7(1+r)

Reorder the terms in parentheses
2r-8=+(+7+7r)

Remove unnecessary parentheses
+2r-8=+7+7r

We move all terms containing r to the left and all other terms to the right. 
+2r-7r=+7+8

We simplify left and right side of the equation. 
-5r=+15

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

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