Question

а) 19х - 12х =3,192
б) 3х + 5х + 0,136 = 6,7
в) 4,18 - 12х = 3,22
г) 6х - 11,4 = 3,48

Answer 1

19x-12x=3.192
7x=3.192
x=3.192 : 7
x=0.456

3х+5х+0,136=6,7
8x+0.136=6.7
8x=6.7-0.136
8x=6.564
x=6.564:8
x=0.8205

4,18-12х=3,22
-12x=3.22-4.18
-12x=-0.96
12x=0.96
x=0.96 :12
x=0.08

6х-11,4=3,48
6x=3.48+11.4
6x=14.88
x=14.88 : 6
x=2.48