-81=9(3-x)

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Solution for -81=9(3-x) equation:


-81=9(3-x)

We simplify the equation to the form, which is simple to understand 
-81=9(3-x)

Reorder the terms in parentheses
-81=+(+27-9x)

Remove unnecessary parentheses
-81=+27-9x

We move all terms containing x to the left and all other terms to the right. 
+9x=+27+81

We simplify left and right side of the equation. 
+9x=+108

We divide both sides of the equation by 09 to get x. 
x=12

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