r+5=15-r

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Solution for r+5=15-r equation:


r+5=15-r

We simplify the equation to the form, which is simple to understand 
r+5=15-r

We move all terms containing r to the left and all other terms to the right. 
+1r+1r=+15-5

We simplify left and right side of the equation. 
+2r=+10

We divide both sides of the equation by 2 to get r. 
r=5

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