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28=-2(2x)
We simplify the equation to the form, which is simple to understand
28=-2(2x)
Reorder the terms in parentheses
28=+(-4x)
Remove unnecessary parentheses
+28=-4x
We move all terms containing x to the left and all other terms to the right.
+4x=-28
We simplify left and right side of the equation.
+4x=-28
We divide both sides of the equation by 04 to get x.
x=-7
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