How do you Solve for each variable? -2x+2y+z=7 -3x-3y+z=-8 2x-3y=-9?
If -2x+2y+z=7 and -3x-3y+z=-8 and 2x-3y=-9, then the variable x equals 0, y equals 3, and z equals 1. ChaCha again soon!
Answered
by Nicole D.
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