1) x/5+4=9
х+20=45
x=45-20=25
2)1/x + 2 = 5
5x – 2х = 1
3x = 1
х = 1/3
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1) x/5+4=9
х+20=45
x=45-20=25
2)1/x + 2 = 5
5x – 2х = 1
3x = 1
х = 1/3