Mathematics
Mathematics, 06.11.2019 15:31, rajenkins79

Plz

x+2y+z=9

x+y-z=5

3x-y+2z=12

solve for x, y, and z

solve with substitution


Plz x+2y+z=9x+y-z=53x-y+2z=12solve for x, y, and z

answer
Answers: 3

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