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12(x+3)=15-4
We simplify the equation to the form, which is simple to understand
12(x+3)=15-4
Reorder the terms in parentheses
+(+12x+36)=15-4
Remove unnecessary parentheses
+12x+36=+15-4
We move all terms containing x to the left and all other terms to the right.
+12x=+15-4-36
We simplify left and right side of the equation.
+12x=-25
We divide both sides of the equation by 12 to get x.
x=-2.08333333333
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