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3x+(-x)+2(-x)+8=2(-x)
We simplify the equation to the form, which is simple to understand
3x+(-x)+2(-x)+8=2(-x)
Remove unnecessary parentheses
+3x-x+2+*(-x+)+8=+2+*(-x+)
Reorder the terms in parentheses
3x-x+(-2x)+8=2*(-x)
Remove unnecessary parentheses
+3x-x-2x+8=+2+*(-x+)
Reorder the terms in parentheses
3x-x-2x+8=+(-2x)
Remove unnecessary parentheses
+3x-x-2x+8=-2x
We move all terms containing x to the left and all other terms to the right.
+3x-1x-2x+2x=-8
We simplify left and right side of the equation.
+2x=-8
We divide both sides of the equation by 2 to get x.
x=-4
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