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-21+7n=6(4n++5)
We simplify the equation to the form, which is simple to understand
-21+7n=6(4n+5)
Reorder the terms in parentheses
-21+7n=+(+24n+30)
Remove unnecessary parentheses
-21+7n=+24n+30
We move all terms containing n to the left and all other terms to the right.
+7n-24n=+30+21
We simplify left and right side of the equation.
-17n=+51
We divide both sides of the equation by -17 to get n.
n=-3
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