7(8+r)=28

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Solution for 7(8+r)=28 equation:


7(8+r)=28

We simplify the equation to the form, which is simple to understand 
7(8+r)=28

Reorder the terms in parentheses
+(+56+7r)=28

Remove unnecessary parentheses
+56+7r=+28

We move all terms containing r to the left and all other terms to the right. 
+7r=+28-56

We simplify left and right side of the equation. 
+7r=-28

We divide both sides of the equation by 7 to get r. 
r=-4

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