Question

Qual o valor de x ? 10x -10 = 5x + 15

Answer 1

Resposta:

10x - 10 = 5x + 15

10 - 5x = 15 + 10

5x = 25

x = 25/5

x = 5

Answer 2

$\sf 10x - 10 = 5x + 15$

$\sf 10x - 5x = 15 + 10$

$\sf 5x = 25$

$\sf x = \dfrac{25}{5}$

$\red{\sf x = 5}$