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Course Project
Module 6 - Solving Systems of Linear Equations by Addition and in Three Variable
Question | Answer |
---|---|
Solve by addition: x+y=4 x-y=2 | (3,1) |
Solve by addition: 2x+3y=7 3x+2y=8 | (2,1) |
Solve by addition: x+y+z=4 2x+5y+2z=17 -x+6y-3z=15 | (0,3,1) |
Solve by addition: 7x-7z=-7 4x-2y+5z=11 2x+2y=-72 | (-6,-30,-5) |
Solve by addition: x+y+z=8 4x-y-z=37 3x-4y-2z=-11 | (9,20,-21) |
Solve by addition: 6x-2y+2z=-18 3x-8y+2z=-33 9x+18y-4z=29 | (-3,4,4) |
Solve by addition: 4x+2y-2z=-14 y+3z=-23 3x-4y=8 | (-4,-5,-6) |
Solve by addition: -3x+y=-9 6x-2y=18 | 0=0 (infinitely many solutions) |
Solve by addition: 3x-2y=7 7x+6y=11 | (2,-1/2) |
Solve by addition: -3x=2y-6 9x-2y=-22 | (-4/3,5) |
Solve by addition: 2x=4y-12 -8x+7y=3 | (4,5) |
Solve by addition: -2x-3y=-25 5x+2y=46 | (8,3) |
Solve by addition: 3x-7y=4 7x-2y=4 | (20/43,-16/43) |
Solve by addition: x/2+y/6=0 x/2-y/6=-2 | (-2,6) |