Question

(x:3)+102=99

Answer 1

x : 3 + 102 = 99

x : 3 = 99 - 102

x : 3 = -3

x = -3 x 3 = -9

vậy x = -9
 

Answer 2

x:3+102=99

x:3=102-99

x:3=-3

x=-3*3

x=-9

Answer 3

(x : 3) + 102 = 99

x : 3 = 99 - 102

x : 3 = -3

x = -3 . 3

x = -9

Vậy x = -9