r+15=4r-6

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Solution for r+15=4r-6 equation:


r + 15 = 4r - 6

We simplify the equation to the form, which is simple to understand 
r+15=4r-6

We move all terms containing r to the left and all other terms to the right. 
+1r-4r=-6-15

We simplify left and right side of the equation. 
-3r=-21

We divide both sides of the equation by -3 to get r. 
r=7

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