-3x + 6 = 18...subtract 6 from both sides
-3x = 18 - 6
-3x = 12...divide both sides by -3
x = -12/3 reduces to -4 <===
A= first number
B= second number
C= third number
A + B + C
Then divide by 5
Answer:
14 + 18i
Step-by-step explanation:

Step-by-step explanation:
Revin imediat...... ✨.