人教版七年级数学下册二元一次方程组练习题126.docx

1、人教版七年级数学下册二元一次方程组练习题126 x5y=-7 7x5y=-9 3x8y=-27 2x4y=-4 x5y=1 3x5y=-6 2x2y=9 2x5y=-4 4x y=-12 2x y=2 3x4y=-5 5x3y=-3 4x5y=1 5x8y=8 4x4y=-17 2x2y=4 3x y=-4 2x3y=-7 3x y=6 2x8y=-8 5x9y=7 4x5y=5 2x y=5 3x y=9 5x3y=-2 9x6y=6 6x7y=-20 4x5y=3 4x5y=7 4x3y=-1 x5y=-6 3x7y=2 9x9y=7 2x4y=-8 2x y=0 4x2y=-8 4x4y

2、=6 7x3y=4 7x3y=29 3x y=0 2x4y=5 4x5y=-1 3x4y=7 7x9y=-9 2x7y=-10 x y=8 2x5y=-1 5x2y=3 2x5y=5 3x2y=7 8x7y=-20 x2y=5 5x3y=-5 3x y=7 4x5y=2 5x y=9 7x5y=18 2x3y=2 4x4y=-2 4x4y=2 2x5y=9 8x7y=-9 8x6y=29 3x y=6 2x5y=-7 2x y=-8 3x y=-1 2x9y=-8 8x9y=-18 3x4y=-1 5x2y=8 x2y=3 2x y=2 4x6y=5 9x3y=16 3x4y=-3 5x3y=

3、-6 4x4y=2 2x3y=2 2x4y=-2 x4y=3 2x5y=-2 5x5y=-5 3x3y=-6 x5y=6 9x7y=-7 8x7y=7 4x y=0 5x3y=9 4x y=-6 x2y=4 9x y=-8 4x3y=-3 3x3y=2 3x y=7 3x y=3 4x2y=-7 9x y=6 9x5y=16 2x2y=7 2x3y=4 x4y=-5 5x3y=9 6x y=-7 x5y=22 2x2y=4 3x2y=7 4x2y=-8 5x y=-2 2x5y=-2 4x4y=-26 3x4y=1 2x2y=-8 3x2y=4 4x3y=1 6x7y=-7 7x5y=17 3

4、x5y=-3 5x y=5 3x y=3 5x3y=9 7x3y=-2 7x2y=23 4x2y=-4 2x5y=-3 2x4y=-6 2x3y=2 7x y=-8 7x3y=26 2x2y=2 2x5y=0 4x2y=9 5x3y=9 4x3y=1 x9y=20 5x4y=-9 4x y=-2 3x y=1 5x2y=6 x y=9 2x2y=-2 2x3y=-9 x2y=1 2x3y=-9 2x2y=-1 x9y=0 5x9y=4 3x3y=-7 2x2y=8 4x5y=2 3x5y=7 7x y=2 8x4y=-25 x2y=-7 5x y=6 x3y=8 2x3y=9 8x2y=-3

5、4x y=-11 3x5y=9 x y=2 3x4y=4 3x4y=-8 8x9y=-1 8x5y=-4 4x5y=4 5x3y=-5 2x y=-3 5x5y=4 8x9y=4 9x8y=-17 4x3y=-4 2x3y=7 3x y=8 5x5y=8 x8y=1 3x2y=-5 4x5y=7 4x4y=8 4x4y=2 x5y=9 x y=5 3x2y=15 x2y=-6 5x y=5 5x2y=8 2x5y=0 5x2y=-8 7x8y=27 3x5y=-8 x5y=5 5x3y=-6 2x y=0 3x y=2 8x5y=30 x3y=4 5x2y=3 2x y=-2 4x5y=5 8

6、x3y=1 2x7y=-17 2x5y=-9 4x3y=7 4x5y=3 5x2y=7 4x y=-1 6x4y=-16 3x5y=-6 3x3y=1 x y=-4 4x3y=-6 4x3y=9 8x8y=4 4x5y=5 2x5y=-5 2x5y=9 2x5y=-4 5x6y=-6 x6y=20 x4y=-4 4x2y=8 2x4y=0 3x5y=-3 2x2y=-8 3x2y=21 3x y=-2 x4y=-5 3x4y=5 2x4y=-8 5x5y=-6 6x3y=9 x4y=2 2x y=2 5x5y=-7 4x2y=-6 3x3y=3 8x5y=-16 3x2y=-3 5x2y=-3

7、 3x3y=-1 4x4y=2 8x9y=-6 4x7y=11 2x4y=4 2x2y=-3 4x5y=-1 2x4y=0 4x6y=-7 7x7y=-1 5x3y=1 4x4y=2 4x y=-9 3x2y=-6 7x y=-5 2x4y=1 x5y=-1 5x y=-1 4x5y=-1 2x3y=-1 3x9y=3 x2y=-4 x4y=6 2x y=-6 4x2y=6 4x4y=3 6x8y=-2 9x7y=-25 4x4y=1 3x4y=4 5x y=6 2x3y=-4 2x5y=0 7x y=0 5x2y=3 4x3y=3 2x3y=-4 2x y=-5 3x6y=6 x8y=-24

8、 3x4y=-2 2x y=-3 x3y=7 x3y=-8 5x2y=-1 9x7y=11 3x5y=0 3x2y=9 4x3y=-2 4x5y=-4 2x5y=0 2x y=-21 x5y=9 x4y=-2 2x y=-7 5x5y=-9 9x7y=0 4x2y=4 4x y=-9 2x y=4 4x5y=-6 3x4y=6 4x6y=-8 8x6y=5 5x5y=-4 x y=9 3x5y=-8 5x5y=-5 4x4y=-6 5x7y=-15 2x4y=8 x y=-9 x y=-2 2x2y=-4 9x2y=-5 2x8y=-28 4x3y=9 x3y=-8 4x2y=8 5x3y=8

9、 3x7y=4 7x4y=24 4x2y=-2 2x y=8 4x y=4 2x4y=3 4x5y=-1 8x9y=6 2x y=-3 4x y=0 4x y=-7 3x4y=3 x5y=7 8x3y=8 x5y=-7 3x2y=3 3x y=5 3x y=-4 2x7y=1 8x7y=7 x4y=0 3x5y=5 3x y=-1 2x4y=-7 4x6y=4 9x y=23 x3y=2 3x3y=5 3x2y=-4 2x4y=8 9x5y=-3 2x3y=-13 2x5y=-2 5x2y=2 4x y=-7 3x y=7 3x y=-5 6x4y=18 2x y=9 x y=9 4x y=-

10、2 3x4y=-9 x2y=-8 3x y=25 2x y=9 2x2y=-5 2x5y=0 x4y=5 3x y=0 2x6y=-15 x y=-3 x5y=7 5x y=-5 5x4y=8 9x6y=-8 5x y=-4 3x y=2 5x5y=-9 x4y=7 5x y=-9 3x y=2 2x y=26 x y=6 4x5y=6 2x3y=-2 2x2y=-4 6x5y=4 2x9y=-11 x y=-8 3x2y=3 4x3y=-9 3x y=-8 4x6y=9 6x6y=16 5x2y=-8 3x5y=-1 2x2y=-3 5x3y=2 3x7y=3 2x y=-5 3x2y=9

11、x5y=6 2x3y=2 2x3y=9 x9y=-9 5x9y=4 5x y=5 4x2y=7 2x3y=0 4x2y=-5 3x4y=-4 8x6y=-20 3x2y=-2 5x2y=-8 3x4y=8 4x3y=-5 8x4y=4 4x7y=-22 3x3y=9 2x y=3 4x4y=7 2x5y=-2 7x7y=3 4x6y=8 4x5y=-8 2x5y=1 x2y=-6 3x2y=-6 2x3y=3 8x8y=15 2x2y=-7 5x5y=5 2x5y=-4 x2y=8 8x9y=-5 7x4y=14 3x y=5 3x2y=5 3x2y=6 2x y=7 x3y=5 5x7y=10 4x5y=2 x y=8 2x4y=8 3x4y=-7 8x4y=-4 8x y=-30 x4y=9 4x4y=0 2x2y=7 x y=-1 2x3y=9 9x6y=18 2x2y=7 3x4y=-5 2x4y=0 2x y=-6 x5y=-8 3x4y=-15 4x5y=0 2x y=-6 x5y=-3 3x3y=-9 6x9y=-6 4x9y=16 4x3y=-8 4x3y=-2 4x y=-1 x3y=5 3x y=6 7x9y=-30 3x4y=5 x3y=-2 2x y=-7 x y=6 2x2y=8 6x3y=-2 2x2y=-9 4x y=-5 4x2y=-8