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Which of the following is/are systems of linear equations? a. 2𝑥_1−𝑥_3=𝑥_2 …

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Wize University Linear Algebra Textbook > Systems of Linear Equations (SLEs) (Linear Systems)

Basics of Systems of Linear Equations

4 Activities

Which of the following is/are systems of linear equations?

a. 2𝑥1−𝑥3=𝑥22𝑥_1−𝑥_3=𝑥_2
2−𝑥3=02−𝑥_3=0
𝑥1+2𝑥2−3𝑥3=4𝑥_1+2𝑥_2−3𝑥_3=4

b. x11+x22+x33=14\frac{x_1}{1}+\frac{x_2}{2}+\frac{x_3}{3}=\frac{1}{4}

1x1+2x2+3x3=41\frac{1}{x_1}+\frac{2}{x_2}+\frac{3}{x_3}=\frac{4}{1}


c. 2x+4y−z=32x+4y-z=3


d. 2x+4y−z=32x+4y-z=3
2xy+z=02xy+z=0
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