Question

Реши уравнения
2x + 3x = 5
4x + 2x = 12
3x + x =12 ​

Answer 1

2x + 3x = 5

5x=5

x=5:5

x=1

4x + 2x = 12

6x=12

x=12:6

x=2

3x + x =12

4x=12

x=12:4

x=3