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OpenStudy (anonymous):
Eliminate the "z" variable in the last two equations by finding opposite coefficients and adding. What is the resulting equation? x + 3y + 2z = -16 2x - y + 2z = -15 2x - 2y - z = 1
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OpenStudy (anonymous):
x-4y=1 4x-5y=-13
OpenStudy (anonymous):
Thank you!
OpenStudy (anonymous):
a. 4x - 3y = -14 b. 4x + y = -14 c. 6x + 5y = 13 d. 6x - 5y = -13 Not an option :/ Only those are options
OpenStudy (anonymous):
hold on
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