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Solving systems of equations in 3 variables
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OK I am really confused on how to do this... I understand how but the numbers are not adding up here is the problem 2x-y+4z=11 x+2y-6z=-11 3x-2y-10z=11
World problems involving systems of equations with three variables
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I got this problem for school and I don't really know where to start... :-( Suppose you are setting up for a small business and have invested $5000 to produce an item that will sell for $9. If each uniet can be produced for $7, how many units must you sell to break even?
World problems involving systems of equations with three variables
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so I got this problem for school and I'm working on it but I think I set it up wrong.. In Super Bowl I, on January 15, 1967, the Green Bay Packers defeated the Kansas City Chiefs by a score of 35 to 10. The total points scored came from 13 different scoring plays, which were a combination of...
Solving systems of equations in three variables?
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a+b=3 -b+c=3 a+2c=10
Systems of equations with 3 variables
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How do you solve systems of equations with 3 variables? And what if one of the equations only has 2 of the variables? Example: 1) 2x+3y-4z=20 2) 3x-2y+z=12 3) 5x-2z=4 Don't try to solve this one, I just made it up to give you an example. View more questions Search
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