18r+90=-57-60

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Solution for 18r+90=-57-60 equation:


18r+90=-57-60

We simplify the equation to the form, which is simple to understand 
18r+90=-57-60

We move all terms containing r to the left and all other terms to the right. 
+18r=-57-60-90

We simplify left and right side of the equation. 
+18r=-207

We divide both sides of the equation by 18 to get r. 
r=-11.5

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