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1+2-4=-3(-x)
We simplify the equation to the form, which is simple to understand
1+2-4=-3(-x)
Reorder the terms in parentheses
1+2-4=+(+3x)
Remove unnecessary parentheses
+1+2-4=+3x
We move all terms containing x to the left and all other terms to the right.
-3x=-1-2+4
We simplify left and right side of the equation.
-3x=+1
We divide both sides of the equation by -03 to get x.
x=-0.33333333333333
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