-12(9+r)-9(r-8)=-9r+6r

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Solution for -12(9+r)-9(r-8)=-9r+6r equation:


-12(9+r) - 9(r - 8)=-9r + 6r

We simplify the equation to the form, which is simple to understand 
-12(9+r)-9(r-8)=-9r+6r

Reorder the terms in parentheses
+(-108-12r)-9*(r-8)=-9r+6r

Remove unnecessary parentheses
-108-12r-9+*(+r-8+)=-9r+6r

Reorder the terms in parentheses
-108-12r+(-9r+72)=-9r+6r

Remove unnecessary parentheses
-108-12r-9r+72=-9r+6r

We move all terms containing r to the left and all other terms to the right. 
-12r-9r+9r-6r=+108-72

We simplify left and right side of the equation. 
-18r=+36

We divide both sides of the equation by -18 to get r. 
r=-2

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