Respuesta :

Answer:

x=27

Step-by-step explanation:

3x -4y =65

Let y=4

3x -4*4 =65

3x-16 = 65

Add 16 to each side

3x-16+16 = 65+16

3x = 81

Divide each side by 3

3x/3 = 81/3

x = 27

Answer:

the value of x is 27 if the value of y is 4