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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 6x -5y = -13
OpenStudy (anonymous):
can you show me please?
OpenStudy (anonymous):
hmm i subtracted 1st equation from second and got the first one then for the second equation i multiplied 3rd given equation by 2 and added to second given equation
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