Solve 3x−5 = 9:
Add 5 to both sides, to isolate 3x on the left side: 3x = 5+9 = 14
Solve this for x: x = 14/3
1)5
2)1
3)7
4)9
When you need to find the blank and get a explanation you should you solve for x calculator it’s easier that way
Answer:
0
Step-by-step explanation:
D = 20²-4(5)(20) = 400-400 = 0