Question

у:3 1/5 = 4 1/2 : 2 1/4
$\frac{x - 10}{7} = \frac{4}{3}$
хеееелп​

Answer 1

Пошаговое объяснение:

у : 3 1/5 = 4 1/2 : 2 1/4

2 1/4 * у = 4 1/2 * 3 1/5

9/4у = 9/2 * 16/5

9/4у = 9/1 * 8/5

9/4у = 72/5

у = 72/5 : 9/4

у = 72/5 * 4/9

у = 8/5 * 4/1

у = 32/5

у = 6 2/5

(х - 10)/7 = 4/3

3 * (х - 10) = 4 * 7

3х - 30 = 28

3х = 28 + 30

3х = 58

х = 58 : 3

х = 58/3

х = 19 1/3