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Musya8 [376]
3 years ago
12

1) 5÷4=25÷y

Mathematics
1 answer:
emmasim [6.3K]3 years ago
5 0
1) \frac{5}{4}= \frac{25}{y} 

5y=100
y=20

2) \frac{x}{0.6} =  \frac{9}{0.5}
\frac{10x}{6} =  \frac{90}{5}
50x=540
x=10.8

3) 2x=12
x=6

4) x-7+x
2x-7

5) x-x+4=4

If you need explanation just ask.

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