(6+x)÷3=4‐x lllllllllllllllllllllllllll

问题描述:

(6+x)÷3=4‐x lllllllllllllllllllllllllll

(6+x)÷3=4‐x
6+x=3(4‐x)
6+x=12-3x
4x=6
x=1.5