ROZWIĄŻ RÓWNIANIE : 3/x = 7/ x+5 poziom 1 gim :)
3/x=7/x+57x=3[x+5]7x=3x+157x-3x=154x=15 /:4x=15/4x=3 3/4
3:x=7:x+5
x-x=7:5-3
0=(-1.6)
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3/x=7/x+5
7x=3[x+5]
7x=3x+15
7x-3x=15
4x=15 /:4
x=15/4
x=3 3/4
3:x=7:x+5
x-x=7:5-3
0=(-1.6)