Question

Решите уравнение:
а) 4х + 20 = 0;
б) 3/2х – 6 = 0;
в) 5х – 15 = 0;
г) 2/5х + 4 = 0.

Answer 1

а) 4х + 20 = 0
4х = -20
х = -20/4
х = -5

б) 3/2х - 6 = 0
3/2х = 6
х = 4

в) 5х - 15 = 0
5х = 15
х = 15/5
х = 3

г) 2/5х + 4 = 0
2/5х = -4
х = -10