Respuesta :

Answer:

13

Step-by-step explanation:

Substitute the variables given

w=7 &x=2

3(7)-4(2)

21-8

=13

Hi1315

Answer:

[tex]13[/tex]

Step-by-step explanation:

[tex]w = 7 \: \: \: \: \: \: x = 2 \\ 3w - 4x \\ 3 \times 7 - 4 \times2 \\ 21 - 8 \\ =1 3[/tex]