Respuesta :

Answer:

x= 3 1/2

Step-by-step explanation:

Answer:

x = 4

Step-by-step explanation:

[tex]\dfrac{3}{4}x + 4 = 7\\\\\\Subtract \ 4 \ from \ both \ side\\\\\dfrac{3}{4}x= 7-4\\\\\dfrac{3}{4}x = 3\\\\Multiply \ both \ sides \ by 4\\\\3x = 3*4\\\\3x = 12\\Divide \ both \ sides \ by \ 3 \\x = \dfrac{12}{3}\\\\x = 4[/tex]