c) 3/5 (x+ 11/2) = 0,4
Giải thích
c) 35x+112=0,435x+112=41035x+112=25x+112=25:35x+112=25.53x+112=23x=23−112x=2.23.2−11.32.3x=46−336x=−33−46x=−296Vậy x=−296
c) 35x+112=0,435x+112=41035x+112=25x+112=25:35x+112=25.53x+112=23x=23−112x=2.23.2−11.32.3x=46−336x=−33−46x=−296Vậy x=−296