X • 20 = 40 80 - x = 10 60 : x = 10

Question

X • 20 = 40
80 - x = 10
60 : x = 10

Answer 1

Х • 20 = 40
х = 40 : 20
х = 2
—————
2 • 20 = 40

Тебе так надо было???

Answer 2

Х•20=40
х=40:20
х=2

80-x=10
х=80-10
х=70

60:х=10
х=60:10
х=6