Answer:
12
Step-by-step explanation:
divide both sides by negative 2
square both sides
6x+3=81
6x=78
x=12
Answer:
No Solution
Step-by-step explanation:
-4x - 9 = 12 - 4x
You add 4x on both sides
-9 ≠ 12
No Solution
Image needed to determine
Answer:
17. B
18. idk
Step-by-step explanation: