Question

1.14+5=4x+3
2.2x-16=5x=30
3.8,5-2,15x+3,05x=0,5

Answer 1

1. 14-3+5=4х
16=4х
х=4

2. 2х-5х=30+16
-3х=46
-х=18
х=18

3. 8.5-0.5=2.15х-3.05х
8=-0.9х
х=-8:0.9