七年級2元1次方程習(xí)題2.docx

1. 2x+9y=81 3x+y=34 2. 9x+4y=35 8x+3y=30 3. 7x+2y=52 7x+4y=62 4. 4x+6y=54 9x+2y=87 5. 2x+y=7 2x+5y=19 6. x+2y=21 3x+5y=56 7. 5x+7y=52 5x+2y=22 8. 5x+5y=65 7x+7y=203 9. 8x+4y=56 x+4y=21 10. 5x+7y=41 5x+8y=44 11. 7x+5y=54 3x+4y=38 12. x+8y=15 4x+y=29 13. 3x+6y=24 9x+5y=46 14. 9x+2y=62 4x+3y=36 15. 9x+4y=46 7x+4y=42 16. 9x+7y=135 4x+y=41 17. 3x+8y=51 x+6y=27 18. 9x+3y=99 4x+7y=95 19. 9x+2y=38 3x+6y=18 20. 5x+5y=45 7x+9y=69 21. 8x+2y=28 7x+8y=62 22. x+6y=14 3x+3y=27 23. 7x+4y=67 2x+8y=26 24. 5x+4y=52 7x+6y=74 25. 7x+y=9 4x+6y=16 26. 6x+6y=48 6x+3y=42 27. 8x+2y=16 7x+y=11 28. 4x+9y=77 8x+6y=94 29. 6x+8y=68 7x+6y=66 30. 2x+2y=22 7x+2y=47(1) 66x+17y=3967 25x+y=1200 (2) 18x+23y=2303 74x-y=1998 (3) 44x+90y=7796 44x+y=3476 (4) 76x-66y=4082 30x-y=2940 (5) 67x+54y=8546 71x-y=5680 (6) 42x-95y=-1410 21x-y=1575 (7) 47x-40y=853 34x-y=2006 (8) 19x-32y=-1786 75x+y=4950 (9) 97x+24y=7202 58x-y=2900 (10) 42x+85y=6362 63x-y=1638 (11) 85x-92y=-2518 27x-y=486 (12) 79x+40y=2419 56x-y=1176 (13) 80x-87y=2156 22x-y=880 (14) 32x+62y=5134 57x+y=2850 (15) 83x-49y=82 59x+y=2183 (16) 91x+70y=5845 95x-y=4275 (17) 29x+44y=5281 88x-y=3608 (18) 25x-95y=-4355 40x-y=2000 (19) 54x+68y=3284 78x+y=1404 (20) 70x+13y=3520 52x+y=2132 (21) 48x-54y=-3186 24x+y=1080 (22) 36x+77y=7619 47x-y=799 (23) 13x-42y=-2717 31x-y=1333 (24) 28x+28y=3332 52x-y=4628 (25) 62x-98y=-2564 46x-y=2024 (26) 79x-76y=-4388 26x-y=832 (27) 63x-40y=-821 42x-y=546 (28) 69x-96y=-1209 42x+y=3822 (29) 85x+67y=7338 11x+y=308 (30) 78x+74y=12928 14x+y=1218 (31) 39x+42y=5331 59x-y=5841 (32) 29x+18y=1916 58x+y=2320 (33) 40x+31y=6043 45x-y=3555 (34) 47x+50y=8598 45x+y=3780 (35) 45x-30y=-1455 29x-y=725 (36) 11x-43y=-1361 47x+y=799 (37) 33x+59y=3254 94x+y=1034 (38) 89x-74y=-2735 68x+y=1020 (39) 94x+71y=7517 78x+y=3822 (40) 28x-62y=-4934 46x+y=552 (41) 75x+43y=8472 17x-y=1394 (42) 41x-38y=-1180 29x+y=1450 (43) 22x-59y=824 63x+y=4725 (44) 95x-56y=-401 90x+y=1530 (45) 93x-52y=-852 29x+y=464 (46) 93x+12y=8823 54x+y=4914 (47) 21x-63y=84 20x+y=1880 (48) 48x+93y=9756 38x-y=950 (49) 99x-67y=4011 75x-y=5475 (50) 83x+64y=9291 90x-y=3690 (51) 17x+62y=3216 75x-y=7350 (52) 77x+67y=2739 14x-y=364 (53) 20x-68y=-4596 14x-y=924 (54) 23x+87y=4110 83x-y=5727 (55) 22x-38y=804 86x+y=6708 (56) 20x-45y=-3520 56x+y=728 (57) 46x+37y=7085 61x-y=4636 (58) 17x+61y=4088 71x+y=5609 (59) 51x-61y=-1907 89x-y=2314 (60) 69x-98y=-2404 21x+y=1386 (61) 15x-41y=754 74x-y=6956 (62) 78x-55y=656 89x+y=5518 (63) 29x+21y=1633 31x-y=713 (64) 58x-28y=2724 35x+y=3080 (65) 28x-63y=-2254 88x-y=2024 (66) 43x+50y=7064 85x+y=8330 (67) 58x-77y=1170 38x-y=2280 (68) 92x+83y=11586 43x+y=3010 (69) 99x+82y=6055 52x-y=1716 (70) 15x+26y=1729 94x+y=8554 (71) 64x+32y=3552 56x-y=2296 (72) 94x+66y=10524 84x-y=7812 (73) 65x-79y=-5815 89x+y=2314 (74) 96x+54y=6216 63x-y=1953 (75) 60x-44y=-352 33x-y=1452 (76) 79x-45y=510 14x-y=840 (77) 29x-35y=-218 59x-y=4897 (78) 33x-24y=1905 30x+y=2670 (79) 61x+94y=11800 93x+y=5952 (80) 61x+90y=5001 48x+y=2448 (81) 93x-19y=2 86x-y=1548 (82) 19x-96y=-5910 30x-y=2340 (83) 80x+74y=8088 96x-y=8640 (84) 53x-94y=1946 45x+y=2610 (85) 93x+12y=9117 28x-y=2492 (86) 66x-71y=-1673 99x-y=7821 (87) 43x-52y=-1742 76x+y=1976 (88) 70x+35y=8295 40x+y=2920 (89) 43x+82y=4757 11x+y=231 (90) 12x-19y=236 95x-y=7885 (91) 51x+99y=8031 71x-y=2911 (92) 37x+74y=4403 69x-y=6003 (93) 46x+34y=4820 71x-y=5183 (94) 47x+98y=5861 55x-y=4