Question

x · 80 = 720: 9
60 · y = 420 - 120
C​

Answer 1

Ответ:

$x \times 80 = 720 \div 9$

$80x = 80$

$x = 1$

$60 \times y = 420 - 120$

$60y = 300$

$y = 300 \div 60$

$y = 5$

Answer 2

Ответ:

1)

720 : 9 = 80

80 : 80 = 1

х = 1

2)

420 – 120 = 300

300 : 60 = 5

у = 5