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Can u help me solve these two problems{2x+y-z=7;x-2y+2z=-9;3x-y+z=5 And {3x-3y+6z=6;5x-8y+13z=7;x+2y-z=5?

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  • Can u help me solve these two problems{2x+y-z=7;x-2y+2z=-9;3x-y+z=5 And {3x-3y+6z=6;5x-8y+13z=7;x+2y-z=5?


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