Solve the system by substitution.

2x - y + z = - 4

z = 5

-2x + 3y - z = - 10

Substituting z = 5 into the first equation:

2x - y + 5 = - 4

y = 2x + 9

Substituting y and z into the third equation

-2x + 3 (2x + 9) - 5 = - 10

4x + 27 = - 5

x = - 8

y = 2 (-8) + 9 = 7

z = 5