3r-(8-r)=r+7

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Solution for 3r-(8-r)=r+7 equation:


3r-(8-r)=r+7

We simplify the equation to the form, which is simple to understand 
3r-(8-r)=r+7

Remove unnecessary parentheses
3r-8+1r=r+7

We move all terms containing r to the left and all other terms to the right. 
+3r+1r-1r=+7+8

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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