Final answer:
The value of 8x - 3y when x = 6 and y = 4 is 36.
Step-by-step explanation:
To find the value of 8x - 3y when x = 6 and y = 4, substitute these values into the expression:
8(6) - 3(4)
Simplifying, we get:
48 - 12 = 36
Therefore, when x = 6 and y = 4, the value of 8x - 3y is 36.
Learn more about Value of a mathematical expression