What’s is the value of the expression 4x+3y when x=3 and y=5

To find the value of the expression 4x + 3y when x = 3 and y = 5, substitute these values into the expression:

4(3) + 3(5)

Multiply:

12 + 15

Add:

27

Therefore, the value of the expression 4x + 3y when x = 3 and y = 5 is 27.