r+31=-2(6r+4)

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Solution for r+31=-2(6r+4) equation:


r+31=-2(6r+4)

We simplify the equation to the form, which is simple to understand 
r+31=-2(6r+4)

Reorder the terms in parentheses
r+31=+(-12r-8)

Remove unnecessary parentheses
+r+31=-12r-8

We move all terms containing r to the left and all other terms to the right. 
+1r+12r=-8-31

We simplify left and right side of the equation. 
+13r=-39

We divide both sides of the equation by 13 to get r. 
r=-3

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