Ответ №1
9/1,2x - 5/x =1/6
(9-6)/1,2x = 1/6
3/1,2x = 1/6
3.6=1,2x.1
18=1,2x, x=18:1,2, x= 15
x=15
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10/1,6x+5/x=9/20
(10+8)/1,6x=9/20
18/1,6x=9/20
18.20=1,6x.9
360=14,4x
x=360:14,4, x=25
x=25
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Ответ №1
9/1,2x - 5/x =1/6
(9-6)/1,2x = 1/6
3/1,2x = 1/6
3.6=1,2x.1
18=1,2x, x=18:1,2, x= 15
x=15
=====
10/1,6x+5/x=9/20
(10+8)/1,6x=9/20
18/1,6x=9/20
18.20=1,6x.9
360=14,4x
x=360:14,4, x=25
x=25
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