Question

4×+10=2.(×+10)
Resolva essa equação

Answer 1

$4x \: + \: 10 \: = \: 2 \: \times \: (x \: + \: 10)$

$4x \: + \: 10 \: = \: 2 \: (x \: + \: 10)$

$4x \: + \: 10 \: = \: 2x \: + \: 2 \: \times \: 10$

$4x \: + \: 10 \: = \: 2x \: + \: 20$

$4x \: + \: 10 \: - \: 2x \: = \: 20$

$2x \: + \: 10 \: = \: 20$

$2x \: = \: 20 \: - \: 10$

$2x \: = \: 10$

$x \: = \: \frac{10}{2}$

$x \: = \: 5$

Answer 2

Oi...

4x + 10 = 2.(x + 10)

4x + 10 = 2x + 20

4x - 2x = 20 - 10

2x = 10

x = 10/2

x = 5

Resposta: x = 5

Espero ter ajudado.