Question

3) Na equação 2x + 14 = 5x – 4,0
resultado é: *​

Answer 1

Resposta:

$2x + 14 = 5x - 4,0 \\ 2x - 5x = - 4,0 - 14 \\ - 3x = - 18 \: \:. ( - 1) \\ 3x = 18 \\ x = \frac{18}{3} \\ \\ x = 6$