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OpenStudy (anonymous):
What is the solution of the system of equations? 3x+2y+z=7 5x+5y+4z=3 3x+2y+3z=1
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OpenStudy (midhun.madhu1987):
Subtract equation 1 and 3.
OpenStudy (midhun.madhu1987):
You get the value of z.
OpenStudy (anonymous):
z=-3x-2y+7 ?
OpenStudy (midhun.madhu1987):
|dw:1414852487017:dw|try subtracting ...
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