Respuesta :

TheAronDavies
1) [tex] \frac{5}{4}= \frac{25}{y} [/tex]
5y=100
y=20

2) [tex] \frac{x}{0.6} = \frac{9}{0.5} [/tex]
[tex] \frac{10x}{6} = \frac{90}{5} [/tex]
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.