1.

{x+6y=2

5x+4y=36

2.

Let's try a system with three variables and three equations!

Solve the system of equations:

2x+3y+2z=13

2y+z=1

z=3

Question 12 options:

(5,-1,3)

(3,5,-1)

(1,2,3)

(0,-5,3)

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