book Maths Puzzle Numerical Ability

Solve the linear system...if the system is inconsistent or dependent, so state:

3x+2y+z=2
4x-y+3z=-16
x+3y-z=12

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book Other Question

A circle with radius 10 and center (h,6) passes through the points (8,-2). Find the possible values of h.
a. 2 or 8
b. 2 or -6
c. -6 or 14
d. 2 or 14

I need your help ....(There are Two) i need help on this Problem:work must be shown.

2=x/5-2