Question

b) 5x – 3 = 2x + 9 Qual a resposta?

Answer 1

5x – 3 = 2x + 9

5x - 2x = -9 + 3

3x = 12/3

x = 4

       

Answer 2

Resposta:

17

Explicação passo-a-passo:

5x – 3 = 2x + 9

$5x-2x=+3+9$

$3x= 12$

$x= \frac{12}{3}$

$x = 4$

5.4 – 3 = 2.4 + 9

$20-3 = 8 +9$

$17= 17$