Now we have two linear equations in the two unknowns x and y. X + y = 50 30x + 20y 1,200 To make the numbers easier to work with, we divide each side of the second equation by 10 to get a reduced equation. x + y = 50 Зх + =

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A: First of all, you took the wrong example of linear equation, because here 10x will be cancelled out…

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A: Given,

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A: system Ax=b is

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A: solution by back-substitution is given below..

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A: Explanation of the answer is as follows

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Q: 4. When the linear equation has no solution.

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Q: 4. Solve and write your solution as a parameter. x – 2y + z = 3 2x-5y +6z = 7 (2x-3y-2z = 5 -

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