125=-5(-10+r)

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Solution for 125=-5(-10+r) equation:


125=-5(-10+r)

We simplify the equation to the form, which is simple to understand 
125=-5(-10+r)

Reorder the terms in parentheses
125=+(+50-5r)

Remove unnecessary parentheses
+125=+50-5r

We move all terms containing r to the left and all other terms to the right. 
+5r=+50-125

We simplify left and right side of the equation. 
+5r=-75

We divide both sides of the equation by 05 to get r. 
r=-15

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