10x-y=4 yx=74 uklad rownan rozwiazac punkty i naj

10x-y=4 y/x=7/4 10x-4=y 7x=4y 7x=4(10x-4) 7x=40x-16 7x-40x=-16 -33x=-16 x=¹⁶/₃₃ y=10×¹⁶/₃₃-4 y=²⁸/₃₃ spr. 10×¹⁶/₃₃-²⁸/₃₃=4 ¹³²/₃₃=4 4=4

10x-y = 4 y/x = 7/4 10x - y = 4 7y = 4x y = 10x - 4 70x - 28 = 4x y = 10x - 4 66x = 28 y = 10x - 4 x= 14/33 y = 140/33 - 132/33 x = 14/33 y = 8/33 x = 14/33

10x-y=4 yx=74 10x-4=y 10x-4/x=7/4 7x=4(10x-4) 7x=40x-16 16= 40x-7x 16=33x x= 16/33 y=10*16/33-4 y=28/33