S equals 36
multiply both sides of the equation by 3
S+42=78
Move constant to the right side and change its sign
S=78-42
subtract the numbers
S=36
Answer:
x = 2 + 5i√2 / 6 and x = 2 - 5i√2 / 6
Step-by-step explanation:
If this isn't right, I'm sorry. Also, you can put x = 2 ± 5i√2 /6 to make it shorter and not have two answers. Hope this helps :)
