Asked by shaheen
2x_1+x_3=1
2x_1+4x_2-x_3=-2
x_1-8x_2-3x_3=2
2x_1+4x_2-x_3=-2
x_1-8x_2-3x_3=2
Answers
Answered by
oobleck
just solve by elimination, as usual. It might look less confusing if you use x,y,z for the variables.
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