Use the elimination method to solve this.
5x + y - z= 6
x+y+z=2
12x + 4y =...
Mathematics, 27.09.2019 06:20 Yorlin4441
Use the elimination method to solve this.
5x + y - z= 6
x+y+z=2
12x + 4y = 10
i already know how to use the method but i’m not sure what to do without that z in the 3rd equation
Answers: 2
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