7r+57=-13

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Solution for 7r+57=-13 equation:


7r+57=-13

We simplify the equation to the form, which is simple to understand 
7r+57=-13

We move all terms containing r to the left and all other terms to the right. 
+7r=-13-57

We simplify left and right side of the equation. 
+7r=-70

We divide both sides of the equation by 7 to get r. 
r=-10

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