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arlik [135]
3 years ago
13

the sum of a negative number, ¼ of the negative number, and 7/16 off the negative number = -13½. what is the negative number?

Mathematics
1 answer:
FinnZ [79.3K]3 years ago
6 0
X - the number

x+\frac{1}{4}x+\frac{7}{16}x=-13 \frac{1}{2} \\
\frac{16}{16}x+\frac{4}{16}x+\frac{7}{16}x=-\frac{27}{2} \\
\frac{27}{16}x=-\frac{27}{2} \\
x=-\frac{27}{2} \times \frac{16}{27} \\
x=-\frac{1}{2} \times \frac{16}{1} \\
x=-8

The number is -8.
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