Question

Решите уравнения : 1)0,2+1/5х=0,4х-1/15 2)1/2х-1/3=5/9+1/6х 3)2,25х- 1 1/3 =-3-1/4х

Answer 1

1). 1/5x-0/4x=-1/15-1/5; 1/1x=-2/65; x=26/5:11; x=2/5; 2). 1/2x-1/6x=5/9+1/3; -0/4x=7/2; x=72:(-4); x=18; 3). 2/25x+1/4x=-3+11/3;3/65x=8/3;