15--3x(4+9)=12

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Solution for 15--3x(4+9)=12 equation:


15--3x(4+9)=12

We simplify the equation to the form, which is simple to understand 
15+3x(4+9)=12

Reorder the terms in parentheses
15+(+39x)=12

Remove unnecessary parentheses
+15+39x=+12

We move all terms containing x to the left and all other terms to the right. 
+39x=+12-15

We simplify left and right side of the equation. 
+39x=-3

We divide both sides of the equation by 39 to get x. 
x=-0.076923076923077

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