二元一次方程组练习题9.docx

1、二元一次方程组练习题9 x3y=-6 6x6y=4 6x7y=-1 x2y=4 3x2y=-6 4x2y=3 3x3y=-8 2x8y=0 6x5y=-7 x5y=-7 x2y=9 4x3y=-5 3x y=1 7x2y=-3 2x7y=-15 5x4y=-6 2x5y=7 2x y=-8 3x4y=-3 5x2y=8 x4y=18 x4y=-4 3x y=4 4x5y=5 4x2y=-9 5x4y=3 4x9y=17 2x2y=-6 3x5y=-3 3x4y=1 4x y=7 3x7y=-4 3x4y=-24 2x2y=4 3x5y=5 2x y=2 3x y=-4 5x y=1 x3y=4

2、 5x5y=-8 4x2y=4 3x y=4 5x4y=9 4x3y=0 x6y=-13 x5y=1 x2y=7 5x3y=-7 5x3y=-1 6x4y=-1 5x4y=1 4x4y=1 x y=-4 4x4y=5 5x5y=-9 7x6y=9 3x9y=-4 5x2y=-8 4x5y=2 4x4y=1 3x3y=4 9x4y=3 4x8y=-30 4x5y=-4 5x y=0 x4y=-7 4x3y=6 4x7y=-2 5x y=11 5x y=-1 5x2y=5 2x3y=-5 3x3y=0 x8y=1 4x3y=23 x3y=-5 x2y=1 x5y=-1 2x2y=4 3x6y=4

3、5x5y=-26 x4y=6 5x y=-9 2x2y=5 2x4y=-7 6x2y=-6 5x8y=17 3x4y=-2 4x4y=3 5x4y=-3 3x2y=1 2x y=-6 9x9y=2 4x5y=8 5x3y=-6 3x3y=6 3x y=-3 7x y=7 6x7y=-21 2x5y=0 5x2y=7 2x4y=-4 x y=1 7x9y=-2 7x6y=22 2x2y=8 2x4y=3 2x4y=0 2x3y=-8 3x5y=-9 7x2y=3 x4y=-9 4x4y=-7 5x y=8 x y=2 7x4y=2 9x6y=30 3x2y=5 3x4y=4 x5y=-7 2x2

4、y=5 x9y=8 6x6y=27 5x2y=-7 4x y=4 2x5y=9 2x y=0 x7y=5 9x5y=17 2x3y=-7 5x4y=1 4x3y=8 4x3y=-5 x6y=-9 6x7y=-26 5x y=1 3x y=5 x4y=1 4x2y=-3 2x9y=6 x4y=-28 x2y=6 2x5y=2 5x5y=-3 5x y=8 7x y=-5 x3y=15 4x5y=-4 5x4y=-9 2x4y=-5 4x4y=-8 5x2y=-9 5x9y=-5 4x2y=7 4x5y=-8 2x5y=-4 2x y=7 2x7y=5 9x2y=28 3x5y=-5 3x4y=4

5、 4x5y=8 2x y=-3 8x5y=-9 2x y=-15 x3y=-3 x y=3 4x3y=-6 3x4y=7 6x4y=4 6x2y=21 5x4y=-7 3x y=0 3x5y=2 5x5y=4 5x2y=-7 6x9y=-29 3x y=3 x2y=8 2x2y=-8 x y=0 5x7y=7 9x6y=25 3x3y=-8 3x4y=-5 2x5y=9 x y=4 4x3y=3 6x5y=19 3x4y=-8 3x3y=8 x2y=7 x3y=1 9x3y=-2 x y=-23 3x y=5 2x y=3 x4y=-6 3x2y=7 x9y=8 5x2y=-12 2x2y=-

6、7 5x5y=-6 2x5y=9 x5y=-5 5x2y=6 7x6y=16 3x y=-6 2x y=9 x2y=-5 4x2y=-6 2x y=-1 7x8y=25 2x5y=-3 5x5y=0 3x4y=-1 4x5y=-6 7x3y=0 2x y=-19 3x y=0 5x y=-5 4x2y=-9 2x y=2 2x5y=-2 3x y=-25 2x5y=-7 3x5y=-8 4x5y=7 x4y=2 5x7y=-9 2x7y=-24 4x5y=-8 4x2y=-3 4x5y=3 x5y=8 3x5y=-7 9x2y=-18 3x4y=7 3x y=-6 2x2y=-8 2x4y=-

7、1 4x6y=-8 8x6y=-23 3x y=-4 4x2y=5 4x4y=3 x y=-1 9x9y=1 x3y=-3 5x5y=-9 5x y=-6 2x y=5 5x4y=7 4x2y=1 8x4y=-3 2x3y=1 3x5y=9 4x4y=6 3x4y=8 x2y=0 5x5y=2 4x4y=6 2x5y=7 4x4y=3 4x4y=-2 5x y=-3 x6y=-29 3x2y=-7 4x5y=1 x4y=-3 2x2y=8 3x5y=3 7x5y=14 5x5y=-7 x3y=5 3x y=-8 2x3y=-7 x4y=-2 8x9y=-15 5x2y=-9 4x4y=0 2x

8、5y=6 5x5y=-5 3x4y=4 8x5y=11 4x5y=4 3x5y=-7 2x y=-4 4x3y=4 6x4y=-2 3x9y=-20 5x y=6 x5y=-1 2x y=5 2x y=4 5x y=-5 4x9y=-17 2x y=5 2x4y=5 5x5y=1 5x y=-1 7x8y=-9 8x6y=18 5x y=-3 2x5y=5 2x3y=6 4x4y=1 6x5y=-7 9x4y=-30 3x3y=3 4x4y=-6 3x4y=-6 4x y=-2 2x9y=-7 6x y=26 3x y=-2 3x2y=-2 5x5y=0 4x y=-5 x8y=0 5x3y=

9、4 4x3y=0 3x3y=3 5x2y=8 3x2y=9 5x8y=-3 7x9y=-30 3x5y=2 x y=-2 2x2y=4 2x4y=0 3x6y=0 6x9y=23 4x3y=6 x5y=-3 x4y=-5 5x3y=5 8x5y=-1 3x8y=-11 2x4y=6 x y=7 2x3y=4 2x3y=5 4x5y=-4 5x7y=-9 x3y=9 5x y=-1 x y=-7 3x3y=9 3x9y=-9 3x9y=-14 2x4y=9 5x2y=-7 2x5y=6 2x3y=1 5x7y=-4 9x9y=-10 3x y=5 4x y=-1 2x5y=5 2x3y=-4 8

10、x2y=6 8x8y=-12 4x4y=2 2x3y=4 2x y=3 4x4y=-3 2x9y=6 7x7y=0 5x5y=-8 4x2y=-5 5x3y=0 2x2y=0 2x5y=9 8x2y=-24 4x5y=3 5x y=4 5x2y=-4 x y=-7 9x9y=0 3x5y=-4 x3y=-5 2x3y=-8 x y=4 3x4y=5 3x5y=-4 7x5y=-6 4x2y=-1 4x3y=9 3x y=5 5x3y=-5 5x y=6 4x2y=0 2x4y=5 2x2y=-4 5x y=6 x3y=-2 6x6y=-5 4x6y=28 x y=0 2x3y=-1 2x y=

11、4 3x y=7 3x6y=-9 x8y=-8 3x5y=6 3x3y=2 4x3y=-5 3x2y=7 3x5y=6 4x5y=-25 4x2y=3 2x y=-1 2x y=-5 4x3y=-1 8x4y=6 6x5y=-11 4x3y=7 x2y=1 x y=5 3x5y=4 3x3y=-9 x8y=21 2x5y=-5 2x y=-6 x5y=-2 5x4y=6 4x4y=2 4x3y=16 3x4y=-7 x3y=8 4x5y=1 x2y=9 8x3y=-1 5x4y=-17 4x3y=4 4x y=4 x4y=-2 5x3y=4 x5y=1 x2y=12 2x4y=5 4x2y=9 3x5y=5 5x y=-3 4x7y=-8 7x7y=-14 5x2y=-4 2x5y=-1 x5y=7 x y=-1 6x5y=0 5x4y=14 5x5y=-3 3x y=9 3x4y=1 4x5y=-4 3x6y=1 3x3y=25 x4y=6 5x2y=-2 2x y=9 x y=5 9x y=7 9x2y=14 4x4y=0 3x y=-3 x4y=8 3x4y=4 9x7y=-7 x9y=-30 2x2y=-2 3x2y=-5 4x2y=3 2x y=4 4x2y=2 3x3y=25 2x y=-8 2x y=8 5x4y=1