Question

23+х=57. 56-х=38. Х×4=20. 79-х=32. 29+х=60. 90-х=48

Answer 1

x=25
x=18
x=5
x=47
x=31
x=42

Answer 2

23+х=57
х=57-23
х=34

56-х=38
х=56-38
х=18

х•4=20
х=20:4
х=5

79-х=32
х=79-32
х=47

29+х=60
х=60-29
х=31

90-х=48
х=90-48
х=42