Question

Find 4x − 2y − z, if x = 2, y = 3, and z = −4

Answer 1

All you have to do is replace the x y z for 2 3 -4 then solve the equation

Answer 2

I know but I really gotta get this done

Answer 3

For example; 2x-5y-z if x =1 y= 4 and z =2
2(1)-5(4)-2
2-20-2
=-20

Answer 4

4(2)-2(3)-4
8-6-4
= -2

Answer 5

ugh yeah but im really bad at algebra and have no calculator

Answer 6

there you go

Answer 7

your answer is -2