Question

Resolva:
c) x+2x-4=7+-3+9​

Answer 1

Resposta:

c)

x+2x-4=7+-3+9​

3x=4+7-3+9

3x=20-3

3x=17

x=17/3

Answer 2

$x + 2x - 4 = 7 + ( - 3) + 9$

$x + 2x - 4 = 7 - 3 + 9$

$x + 2x = 7 - 3 + 9 +4$

$3x = 4 + 13$

$3x = 17$

$x = \frac{17}{3}$