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Andrews [41]
4 years ago
8

What's 3/4n-18=1/4n-4

Mathematics
1 answer:
Lesechka [4]4 years ago
7 0
\frac{3}{4}n-18=\frac{1}{4}n-4\ \ \ \ | multiply\ by\ 4\\\\
3n-72=n-16\ \ \ | subtract\ n\\\\
2n-72=-16\ \ \ | add\ 72\\\\
2n=56\ \ \ | divide\ by\ 2\\\\
n=28
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