Question

x+11-12+13-14=550-500

Answer 1

x+11-12+13-14 = 50

x+11-12+13= 50 +14

x+11-12+13= 64

x+11-12= 64-13

x+11-12=51

x+11=51+12

x+11=63

x=63-11

x=52

Answer 2

X=52

chính xác 99,99% 

Answer 3

x + 11 - 12 + 13 - 14 = 550 - 500

=> x - 2 = 50

=> x = 52

Answer 4

x + 11 - 12 + 13 - 14 = 550 - 500

=> x - 2 = 50

=> x = 52