Question

x + 30 = 50 + 50

Answer 1

x + 30 = 50 + 50 

x + 30 = 100

x         =100 - 30

x         = 70

Answer 2

x + 30 = 50 + 50 

x + 30 = 100

x        = 100 - 30

x        = 70

Answer 3

x +30 = 50 +50 

x +30 = 100

x = 100 -30

x = 70