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-18+8n=-2(2-5n)
We simplify the equation to the form, which is simple to understand
-18+8n=-2(2-5n)
Reorder the terms in parentheses
-18+8n=+(-4+10n)
Remove unnecessary parentheses
-18+8n=-4+10n
We move all terms containing n to the left and all other terms to the right.
+8n-10n=-4+18
We simplify left and right side of the equation.
-2n=+14
We divide both sides of the equation by -2 to get n.
n=-7
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