Question

x+100=200-700-100

Answer 1

x + 100 = 200 - 700 - 100

x + 100 = - 500 - 100

x + 100 = - 600

x          = - 600 - 100

x          = - 700

Answer 2

x + 100 = 200 - 700 - 100

x + 100 = -600

x = -600 - 100

x = -700

Answer 3

x+100=200-700-100

x+100=-500-100

x+100=-600

x=-600-100

x=-700