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6(-n+7)+4n=21(-3-5n)
We simplify the equation to the form, which is simple to understand
6(-n+7)+4n=21(-3-5n)
Reorder the terms in parentheses
+(-6n+42)+4n=21*(-3-5n)
Remove unnecessary parentheses
-6n+42+4n=+21+*(-3-5n+)
Reorder the terms in parentheses
-6n+42+4n=+(-63-105n)
Remove unnecessary parentheses
-6n+42+4n=-63-105n
We move all terms containing n to the left and all other terms to the right.
-6n+4n+105n=-63-42
We simplify left and right side of the equation.
+103n=-105
We divide both sides of the equation by 103 to get n.
n=-1.01941747573
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