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Ksenya-84 [330]
3 years ago
6

What does n equal to in 12n + 9 = 6 - 3n

Mathematics
1 answer:
sveticcg [70]3 years ago
6 0
12n+9=6-3n\ \ \ \ \ \ |Add\ 3n\ to\ each\ side\\\\
15n+9=6\ \ \ \ \ |Subtract\ 9\\\\
15n=-3\ \ \ \ \ |Divide\ by\ -15\\\\
n=-\frac{3}{15}=\boxed{-\frac{1}{5}}
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