rozwiąż równanie :
5/x+4=6/x-3
5/x+4=6/x-3 / *x5+4x=6-3x4x+3x=6-57x=1 /:7x=1/7
5/x+4=6/x-3 /*x
5+4x=6-3x
4x+3x=6-5
7x=1 /:7
x=1/7
spr.
5:1/7+4=6:1/7-3
5*7/1+4=6*7/1-3
35+4=42-3
39=39
proszę :)
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5/x+4=6/x-3 / *x
5+4x=6-3x
4x+3x=6-5
7x=1 /:7
x=1/7
5/x+4=6/x-3 /*x
5+4x=6-3x
4x+3x=6-5
7x=1 /:7
x=1/7
spr.
5:1/7+4=6:1/7-3
5*7/1+4=6*7/1-3
35+4=42-3
39=39
proszę :)