SOLUTION: 4x-z=-42 3/5y+1/2z=-3 1/3x+2/3z=1

Question 1016534: 4x-z=-42
3/5y+1/2z=-3
1/3x+2/3z=1
Answer by ikleyn(52787) (Show Source): You can put this solution on YOUR website!
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4x-z=-42
3/5y+1/2z=-3
1/3x+2/3z=1
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Express z via x from the first equation and then substitute it into the second and the third equation.

You will get the system of two linear equations in two unknowns x and y.

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