Question

Решите уравнения.
-2x+16=5x-19
12-2*(k+3)=26
3*(4x-8)=3x-6

Answer 1

5х+2х=16+19
7х=35
х=35/7
х=5

12-2к-6=26
2к=12-6-26
2к=-20
к=-20/2
к=-10

12х-24=3х-6
12х-3х=24-6
9х=18
х=18/9
х=2