Question

Find 3x-y-3z x=-2 y=1 and z=-2

Answer 1

Just fill in the problem... 3*-2-1-3*-2

Answer 2

3x - y - 3z
 x=-2 y=1  z=-2

=>3 X -2 - 1 - 3 X -2
=> -6 - 1 + 6
=> -1

Hope it helps !!!