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34=2x+3(-3x-12)
We simplify the equation to the form, which is simple to understand
34=2x+3(-3x-12)
Reorder the terms in parentheses
34=2x+(-9x-36)
Remove unnecessary parentheses
+34=+2x-9x-36
We move all terms containing x to the left and all other terms to the right.
-2x+9x=-36-34
We simplify left and right side of the equation.
+7x=-70
We divide both sides of the equation by 7 to get x.
x=-10
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