Question

2.(x + 20) + 40 = 200




qual é valor de x?

Answer 1

2x + 40 + 40 = 200

2x = 200 - 80

2x = 120

x = 120/2

x = 60

Answer 2

2 (x + 20) + 40 = 200
2x + 40 + 40 = 200
2x + 80 = 200
2x = 200 - 80
2x = 120
x = 120/2
x = 60