Question

Use a software program or a graphing utility to solve the system of linear equations. (Round...

Use a software program or a graphing utility to solve the system of linear equations. (Round your values to three decimal places. If there is no solution, enter NO SOLUTION. If the system has an infinite number of solutions, set

x4 = t

and solve for x1, x2, and x3 in terms of t.)

x1 − 2x2 + 5x3 − 3x4 = 23.3
x1 + 4x2 − 7x3 − 2x4 = 45.4
3x1 − 5x2 + 7x3 + 4x4 = 29.6

(x1, x2, x3, x4) =( )

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Answer #1

Solving the system we get:

So we get the solution as

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