Question

решите пжж 15 баллов

Answer 1

(1 7/8х - 2 1/3 )*24=4

1 7/8х - 2 1/3 = 4/24

1 7/8х - 2 1/3 = 1/6

1 7/8х=1/6+2 1/3

1 7/8х = 2 1/2

х=2 1/2 / 1 7/8

х=20/8 * 8/15

х=1 1/3