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-28=-4(x+7)
We simplify the equation to the form, which is simple to understand
-28=-4(x+7)
Reorder the terms in parentheses
-28=+(-4x-28)
Remove unnecessary parentheses
-28=-4x-28
We move all terms containing x to the left and all other terms to the right.
+4x=-28+28
We simplify left and right side of the equation.
+4x=0
We divide both sides of the equation by 04 to get x.
x=0
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