Question

4x-2y if x=-1 and y=-3

Answer 1

4*(-1) - 2*(-3)

-4 + 6

2

Answer 2

As robz8 has shown...all you do is replace the 'x' and 'y' in your equation with the values for 'x' and 'y' you are given!

so replace every 'x' you see with -1 and every 'y' you see with -3