Question

• Resolra as equi
3. (x+9)= X-13​

Answer 1

$3(x + 9) = x - 13 \\ 3x + 27 = x - 13 \\ 3x - x = - 13 - 27 \\ 2x = - 40 \\ x = \frac{ - 40}{2} \\ x = - 20$

Answer 2

Resposta:

-20

Explicação passo-a-passo:

3.X=3x

3.9=27

3x-x=2x

-27-13=-40

2x=-40

X=-40/2

X=-20