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OpenStudy (anonymous):
solve the system: x-y+3z=13 4x+y+2z=17 3x+2y+2z=1
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OpenStudy (anonymous):
two ways, solve one equation of z, plug it into another equation and solve for x, then plug into the thrid equation for y, this should give you a new equation with only y. solve for y and plug back into other equations to get x and z or set up a matrix and diagnolize
OpenStudy (anonymous):
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