Hey there!

Your correct answer would be
. . .

Hope this helps.
~Jurgen
To solve this, we just need to plug in the numbers.
4^2-4*3/2
Now solve!
4^2-4*3/2
16-4*9
16-36
-20
There's your answer!
Any questions?
Z=-3 is the correct answer. Use math papa if you need help with the steps on how we got z=-3
Answer:
x=9
Step-by-step explanation:3x-5+x=31
3x+x=31+5
4x=36
x=36/4
x=9