Solve the system. Assume that the variables are named x1,x2,…x from left to right. ⎡⎣100010001−307⎤⎦

zi2lalZ 2021-09-22 Answered

Suppose that the augmented matrix for a system of linear equations has been reduced by row operations to the given reduced row echelon form. Solve the system. Assume that the variables are named \(x_1,x_2,…x ,…\) from left to right.

\(\begin{bmatrix}1&0&0&-3 \\0&1&0&0\\0&0&1&7 \end{bmatrix}\)

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Expert Answer

Alix Ortiz
Answered 2021-09-23 Author has 9243 answers

\(x_1=-3\)
\(x_2=0\)
\(x_3=7\) hence the solution is \((x_1,x_2,x_3)=(-3,0,7)\)

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