Question

Find the solution to the given system of equations.

⎧
⎪
⎨
⎪
⎩
−
5
x
+
6
y
+
8
z
=
−
17
−
5
x
+
5
y
+
9
z
=
−
13
−
x
+
y
+
2
z
=
−
2

Answer 1

break down the equations into parts and use simultaneous equation method to solve it