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-16=-7x+2(x+2)
We simplify the equation to the form, which is simple to understand
-16=-7x+2(x+2)
Reorder the terms in parentheses
-16=-7x+(+2x+4)
Remove unnecessary parentheses
-16=-7x+2x+4
We move all terms containing x to the left and all other terms to the right.
+7x-2x=+4+16
We simplify left and right side of the equation.
+5x=+20
We divide both sides of the equation by 5 to get x.
x=4
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