SOLUTION: -5x-3y+6z=-26 X+2y-2z=8 5x-4y+3z=12

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Question 1073826: -5x-3y+6z=-26
X+2y-2z=8
5x-4y+3z=12
Answer by sachi(548) About Me  (Show Source):
You can put this solution on YOUR website!
-5x-3y+6z=-26.........1
X+2y-2z=8 ........2
5x-4y+3z=12 ...........3

adding eqn 1 & 2 X 5

7y-4z=14 .....4
Adding eqns 1 & 3
-7y+9z=-14 .........6
adding eqns 4& 5
5z=0
or z=0
from eqn 4
y=2
from eqn 1
x=4