7r+40=3r+50

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Solution for 7r+40=3r+50 equation:


7r+40=3r+50

We simplify the equation to the form, which is simple to understand 
7r+40=3r+50

We move all terms containing r to the left and all other terms to the right. 
+7r-3r=+50-40

We simplify left and right side of the equation. 
+4r=+10

We divide both sides of the equation by 4 to get r. 
r=2.5

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