20. Prove that the following systems intersect at a point and then determine the solution: π1: 2x+y+6z - 7 = 0 π2: 3x+4y+ 3z + 8 = 0 Пз: x-2y-4z-9 = 0

Algebra & Trigonometry with Analytic Geometry
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ISBN:9781133382119
Author:Swokowski
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Chapter9: Systems Of Equations And Inequalities
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20. Prove that the following systems intersect at a point and then determine the solution:
π1: 2x+y+6z - 7 = 0
π2: 3x+4y+ 3z + 8 = 0
Пз: x-2y-4z-9 = 0
Transcribed Image Text:20. Prove that the following systems intersect at a point and then determine the solution: π1: 2x+y+6z - 7 = 0 π2: 3x+4y+ 3z + 8 = 0 Пз: x-2y-4z-9 = 0
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