Question

решите уравнения
(2х+1)+3х=11.

Answer 1

(2х+1)+3х=11
2х+3х=11-1
5х=10
х=10:5
х=2

Answer 2

(2х+1)+3х=11

2х+1+3х=11

5х+1=11

5х=11-1

5х=10

Х=10:5

Х=2

Проверка

(2*2+1)+3*2=11

5+6=11

11=11