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4x+18=-2(2x+3)
We simplify the equation to the form, which is simple to understand
4x+18=-2(2x+3)
Reorder the terms in parentheses
4x+18=+(-4x-6)
Remove unnecessary parentheses
+4x+18=-4x-6
We move all terms containing x to the left and all other terms to the right.
+4x+4x=-6-18
We simplify left and right side of the equation.
+8x=-24
We divide both sides of the equation by 8 to get x.
x=-3
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