Răspunsuri

2014-02-05T13:20:02+02:00
X/24 + 12/24-9/24=8x/24
12/24-9/24=8x/24-x/24
3/24=7x/24
3=7x
x=3/7

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Cel mai inteligent răspuns!
2014-02-05T14:33:57+02:00

x+ \frac{1}{2}- \frac{3}{8} = \frac{x}{3}
Se aduce la celasi numitor:
\frac{24*x}{24} + \frac{12}{24}- \frac{3*3}{24} = \frac{8*x}{24}
24*x+12-9=8*x
24*x-8*x+3=0
16x=-3
x=- \frac{3}{16}

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