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-54=-2x-6(-x+5)
We simplify the equation to the form, which is simple to understand
-54=-2x-6(-x+5)
Reorder the terms in parentheses
-54=-2x+(+6x-30)
Remove unnecessary parentheses
-54=-2x+6x-30
We move all terms containing x to the left and all other terms to the right.
+2x-6x=-30+54
We simplify left and right side of the equation.
-4x=+24
We divide both sides of the equation by -4 to get x.
x=-6
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