-8..............................
Step-by-step explanation:
Equation 1

Equation 2

X^2/2 + ( y + 4)^2/6 = 1.
Answer:
Step-by-step explanation:
The first step contains the error.
2x - 10 = 22 Add 10 to both sides
+ 10 +10
2x = 32 Divide by 10
2x/2 = 32/2
x = 16