Question

x  + 100 = 357 + 643

Answer 1

x + 100 = 1000

x           = 1000 - 100

x           = 900

Answer 2

x+100=1000

x=1000-100

x=900

Answer 3

x + 100 = 357 + 643

x + 100 = 1000

          x = 1000 - 100

          x = 900

Answer 4

x + 100 = 357 + 643

x + 100 = 1000

x = 1000 - 100

x = 900

Answer 5

X + 100 = 357 + 643

X + 100 = 1000 

X = 1000 - 100

X = 900.