Question

5×+20 e 2×+50 qual valor de ×​

Answer 1

$5x + 20 = 2x + 50 \\ \\ 5x - 2x = 50 - 20 \\ \\ 3x = 30 \\ \\ x = \frac{30}{3} \\ \\ \boxed{\boxed{\boxed{x = 10}}}$

Answer 2

Resposta:

$x = 10$

Explicação passo-a-passo:

$5x + 20 = 2x + 50 \\ 5x - 2x = 50 - 20 \\ 3x = 30 \\ x = \frac{30}{3}$

$x = 10$