-1(r+3)=10

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Solution for -1(r+3)=10 equation:


-1 (r+3)=10

We simplify the equation to the form, which is simple to understand 
-1(r+3)=10

Reorder the terms in parentheses
+(-1r-3)=10

Remove unnecessary parentheses
-1r-3=+10

We move all terms containing r to the left and all other terms to the right. 
-1r=+10+3

We simplify left and right side of the equation. 
-1r=+13

We divide both sides of the equation by -1 to get r. 
r=-13

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