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18-7x=-2+4(5+2x)
We simplify the equation to the form, which is simple to understand
18-7x=-2+4(5+2x)
Reorder the terms in parentheses
18-7x=-2+(+20+8x)
Remove unnecessary parentheses
+18-7x=-2+20+8x
We move all terms containing x to the left and all other terms to the right.
-7x-8x=-2+20-18
We simplify left and right side of the equation.
-15x=0
We divide both sides of the equation by -15 to get x.
x=-0
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