Answer:
The given equation is:
√(x+10) - 9 = -7
Adding 9 to both sides of the equation, we get:
√(x+10) = 2
Squaring both sides of the equation, we get:
x + 10 = 4
Subtracting 10 from both sides, we get:
x = -6
Therefore, the solution of the equation √(x+10) - 9 = -7 is x = -6.