Question

2- Encontre o valor de 2x - 3 para x = 5.
2x - 3= X​

Answer 1

Resposta:

$2x + 3 = 5 \\ 2x = 5 - 3 \\ 2x = 2 \\ x = 2 \div 2 \\ x = 1$

$2x + 3 \\ 2 \times 5 + 3 \\ 10 + 3 \\ 13$