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6=-.5(40n+28)
We simplify the equation to the form, which is simple to understand
6=-.5(40n+28)
Reorder the terms in parentheses
6=+(-20n-14)
Remove unnecessary parentheses
+6=-20n-14
We move all terms containing n to the left and all other terms to the right.
+20n=-14-6
We simplify left and right side of the equation.
+20n=-20
We divide both sides of the equation by 020 to get n.
n=-1
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