7r+5=8r+9

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Solution for 7r+5=8r+9 equation:


7r+5=8r+9

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

We move all terms containing r to the left and all other terms to the right. 
+7r-8r=+9-5

We simplify left and right side of the equation. 
-1r=+4

We divide both sides of the equation by -1 to get r. 
r=-4

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