Answer:
x = 9
Step-by-step explanation:
square each side first to get:
8x - 8 = 64
8x = 72
x = 9
You do x + 3 which equals 3x and then divide it by 6 which equals 2
Answer:

Step-by-step explanation:
Add 7 to x gives x + 7 then divide this by 5, that is

Answer:
x=8/21
Step-by-step explanation:
I^63
=i*(i^(2*31))
=i*(i^2)^31
i^2=-1
=(-1)^31*i
=-1*i
=-i