7(5r+8)+9=30

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Solution for 7(5r+8)+9=30 equation:


7(5r+8)+9=30

We simplify the equation to the form, which is simple to understand 
7(5r+8)+9=30

Reorder the terms in parentheses
+(+35r+56)+9=30

Remove unnecessary parentheses
+35r+56+9=+30

We move all terms containing r to the left and all other terms to the right. 
+35r=+30-56-9

We simplify left and right side of the equation. 
+35r=-35

We divide both sides of the equation by 35 to get r. 
r=-1

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