Question

tim x biet 

x+x*2=345

Answer 1

x + x * 2 = 345

3x = 345

x = 115 (tm)

Vậy x = 115 nhé!

Ai k mk mk k lại !!

Answer 2

x=115

Answer 3

x=115

Đ/A:115

Answer 4

x+x.2  =345

x.(1+2)=345

x.3      =345

x         =345:3

x         =115

Answer 5

x=115

Answer 6

x=115