3=7/4х-11
14=7/4х
14:7/4=х
х=8
Подставим у = 3:
3 = (7/4)х - 11
(7/4)х = 14
(1/4)х = 2
х = 8
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3=7/4х-11
14=7/4х
14:7/4=х
х=8
Подставим у = 3:
3 = (7/4)х - 11
(7/4)х = 14
(1/4)х = 2
х = 8