5r+4r=-18

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Solution for 5r+4r=-18 equation:


5r+4r=-18

We simplify the equation to the form, which is simple to understand 
5r+4r=-18

We move all terms containing r to the left and all other terms to the right. 
+5r+4r=-18

We simplify left and right side of the equation. 
+9r=-18

We divide both sides of the equation by 9 to get r. 
r=-2

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