Question

Find 3x+4y when x is 6 and y is -3

Answer 1

If x=6 and y=-3
Substitute x and y into 3x+4y
3(6) + 4(-3)
= 18+4(-3)
= 18-12
=6

Hence the answer is 6

Answer 2

Explanation:

3x + 4y when x = 6 and y = -3

Put in values of x and y:

3(6) + 4(-3) = 18 + (-12) = 6