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12=3(x+4)-6
We simplify the equation to the form, which is simple to understand
12=3(x+4)-6
Reorder the terms in parentheses
12=+(+3x+12)-6
Remove unnecessary parentheses
+12=+3x+12-6
We move all terms containing x to the left and all other terms to the right.
-3x=+12-6-12
We simplify left and right side of the equation.
-3x=-6
We divide both sides of the equation by -03 to get x.
x=2
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