Question

Решите уравнение.
1 7 - 2x = 3х - 18
2 0,2(7 - 2x ) = 2,3 - 0,3(х – 6)
3 8x – 8 = 20 – бх
4 (7х + 1) – (9x + 3) = 16​

Answer 1

1. 5х=25
х=5
3. 2х=12
Х=6