Respuesta :

X=17. I hope this helps you young sir/madam

Answer:

x = 27

Step-by-step explanation:

Given

3x - 4y = 65 ← substitute y = 4

3x - 4(4) = 65, that is

3x - 16 = 65 ( add 16 to both sides )

3x = 81 ( divide both sides by 3 )

x = 27