Question

x: 1=9, x+48=48, 1•x=5

Answer 1

х/1=9
х=9*1
х=9     

х+48=48
х=48-48
х=0

1*х=5
х=5/1
х=5

Answer 2

x : 1 = 9
x = 1 * 9
x = 9

x + 48 = 48
x = 48 - 48
x = 0

1 * x = 5
x = 5 / 1
x = 5