А) 3(х+0,6)=3-x Б)5/7х-3/14х=-2

Question

А) 3(х+0,6)=3-x
Б)5/7х-3/14х=-2

Answer 1

А)3(х+0,6)=3-x
3х+1,8=3-х
3х+х=3-1,8
4х=1,2 | :4
х=0,3

б)5/7х-3/14х=-2
10/14х-3/14х=-2
7/14х=-2
1/2х=-2
0,5х=-2 | :0,5
х=-4