Question

4 x - 1 = 2x + 9
5x+x=32-14
2×-x+5=10​

Answer 1

Resposta:

1. 4x - 1 = 2x + 9

4x - 2x = 9 + 1 (ao separar os 'x', inverte os sinais)

2x = 10

x = 10/2 (10÷2)

x = 5

2. 5x + x = 32 - 14

6x = 18 --> x = 18/6 --> x = 3

3. 2x - x + 5 = 10

x + 5 = 10 --> x = 10 - 5 --> x = 5