七年级解方程练习题

1、学习必备 欢迎下载MM MMMBM1.2x+9y=81 3x+y=34 2.9x+4y=35 8x+3y=3O 3.7x+2y=52 7x+4y=62 4.4x+6y=54 9x+2y=87 5.2x+尸 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 13.3k+6y=24 9x+5y=46 14.9x+2y=62 4x+3y=36 15.9

2、x+4y=46 7x+4y=42 169x+7y=135 4x+y=41 17.3k+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 2L8k+2 尸 28 7x+8y=62 22.X+6 尸 14 3x+3y=2723.7x+4 户 672x+8y=2624.5x+4y=527x+6y=7425.7x+y=94x+6y=1626 6k+6y=486x+3y=4227.8x+2y=167x+y=ll28.4x+9y=778x+6y=9429 6x+8y=687x+6y=6630.2x+2y

3、=227x+2y=47 l)66x+17y=396725x+y=1200答案：x=48 y=47(2) 18x+23y=2303 74X-y=1998答案：x=27 y=79 (3) 44x+90y=7796 44x+y=3476答案：x=79 y=48(4) 76x-66y=4082 30x-y=2940答案：x=98 y=51 (5) 67x+54y=8546 71x-y=5680答案：x=80 y=59(6) 42x-95y=-1410 21x-y=1575答案：x=75户48(7) 47x-40y=853 34x_y=2006答案：x=59 y=48(8) 19x-32y=-1786

4、75x+y=4950答案：x=66 y=95 (9) 97x+24户7202 58x-y=2900答案：x=30y=93 (10) 42x+85y=636263x-y=1638答案：x=26 y=62 (ll)85x-92y=-2518 27x-y=486答案：x=18 y=44 (12) 79x+40y=2419 56x-y=1176答案：x=21 y=19 (13)80x-87y=215622x-y=880答案：x=40y=12 (14)32x+62y=5134 57x+y=2850答案：x=50 y=57 (15) 83x-49y=82 59x+y=2183答案：x=37y=61 (16

5、)91x+70y=584595x.y=4275答案：x=45 y=25 (17)29x+44y=5281 88x-y=3608答案：x=41 y=93 (18)25x-95y=-435540x-y=2000答案：x=50 y=59 (19)54x+68y=3284 78x+y=1404答案：x=18y=34 (20)70x+13y=3520 52x+y=2132答案：X=41 y=50 (21)48x-54y=-318624x+y=1080答案：x=45 y=99 (22)36x+77y=761947x-y=799答案：x=17y=91 (23) 13x-42y=-2717 31x-y=133

6、3答案：x=43户78 (24) 28x+28y=3332 32x-y=4628答案：x=89y=30学习必备 欢迎下载MM MMMBM(25) 62x-98y=-2564 46x-y=2024答案：x=44 y=54 (26) 79x-76y=-438826x-y=832答案:x=32 y=91 (27) 63x-40y=-821 42x-y=546答案：x=13y=41 (28) 69x-96y=-1209 42x+y=3822答案：x=91 y=78 (29)85x+67户7338llx+y=308答案：x=28 y=74 (30)78x+74y=12928 14x+y=1218答案：x

7、=87 y=83 (31)39x+42y=5331 59x-y=5841答案：x=99 y=35 (32)29x+18y=1916 58x+y=2320答案：x=40 y=42 (33)40x+31y=6043 45x-y=3555答案：x=79 y=93 (34) 47x+50y=8598 45x+y=3780答案：x=84户93 (35)45x-30y=-145529x-y=725答案：x=25 y=86 (36) llx-43y=-1361 47x+y=799答案：x=17y=36 (37) 33x+59y=3254 94x+y=1034答案：x=U y=49 (38) 89x74y=-

8、2735 68x+y=1020答案：x=15y=55 (39) 94x+71y=/M7 78x+y=3822答案：x=49y=41 (40) 28x-62y=-4934 46x+y=552答案：x=12y=85 (41) 75x+43y=847217x-y=1394答案：x=82 y=54 (42)41x-38y=-1180 29x+y=1450答案：x=50 y=85 (43) 22x-59y=824 63x+y=4725答案：x=75户14 (44) 95x-56y=-40190x+y=1530答案：x=17 y=36 (45) 93x-52y=-852 29x+y=464答案：x=16y

9、=45 (46)93x+12y=8823 54x+y=4914答案：x=91 y=30 (47)21x-63y=8420x+y=1880答案：x=94 y=30 (48) 48x+93y=9756 38x-y=950答案：x=25 y=92 (49) 99x-67y=4011 75x-y=5475答案：x=73 y=48 (50) 83x+64y=9291 90x-y=3690答案：x=4i y=92 (51)17x+62y=321675x-y=7350答案：x=98户25 (52) 77x+67y=273914x-y=364答案:x=26 y=ll (53) 20x-68y=-4596 14

10、x-y=924答案：x=66 y=87 (54)23x+87y=4U083x-y=5727 答案：x=69 y=29 (55) 22x-38y=804 86x+y=6708 答案：x=78 y=24 (56) 20x-45y=-3520 56x+y=728 答案：x=13 y=84 (57)46x+37户708561x-y=4636 答案：x=76 y=97 (58)17x+61y=4088 71x+y=5609答案：x=79 y=45 (59)51x-61y=-1907 89x-y=2314答案：x=26 y=53 (60) 69x-98y=-2404 21x+y=1386答案：x=66 y

11、=71 (61) 15x-41y=754 74x-y=6956答案：x=94y=16 (62) 78x-55y=656 89x+y=5518答案：x=62 y=76 (63)29x+21y=1633 31x-y=713答案：x=23 y=46 (64) 58x-28y=2724 35x+y=3080答案：x=88 y=85 (65) 28x-63y=-225488x-y=2024答案：x=23 y=46 (66) 43x+50y=7064 85x+y=8330答案：x=98 y=57 (67)58x-77y=1170 38x-y=2280答案：x=60户30 (68) 92x+83y=1158

12、6 43x+y=3010答案：x=70 y=62(69) 99x+82y=6055 52x-y=1716答案：x=33 y=34 (70) 15x+26y=172994x+y=8554答案：x=91 y=14 (71)64x+32y=3552 56x-y=2296答案：x=41户29 (72) 94x+66y=1052484x-y=7812答案：x=93 y=27 (73)65x-79y=-581589x+y=2314答案：x=26 y=95 (74)96x+54y=621663x-y=1953答案：x=3i y=60 (75) 60x-44y=-352 33x-y=1452答案：x=44y=

13、68 (76) 79x-45y=51014x-y=840答案：x=60 y=94 (77)29x-35y=-218 59x-y=4897答案：x=83 y=75 (78)33x-24y=1905 30x+y=2670答案：x=89 y=43 (79)61x+94y=11800 93x+y=5952答案：x=64 y=84 (80)61x+90y=500148x+y=2448答案:x=51 y=21 (81)93x-19y=2 86x-y=1548答案:x=18 y=88 (82) 19x-96y=-591030x-y=2340答案：x=78 y=77 (83) 80x+74y=8088 96x

14、-y=8640学习必备 欢迎下载MM MMMBM答案:x=90y=12 (84) 53x-94y=1946 45x+y=2610 答案：x=58y=12(85) 93x+12y=9117 28x-y=2492答案：x=89 y=70 (86) 66x-71y=-1673 99x-y=7821答案：x=79 y=97 (87)43x-52y=-174276x+y=1976 答案：x=26户55 (88) 70x+35y=8295 40x+y=2920答案:x=73y=91 (89) 43x+82y=4757 llx+y=231答案：x=21 y=47 (90) 12x-19y=236 95x-y=7885答案：x=83 y=40 (91)51x+99y=8031 71x-y=2911答案：x=41 y=60 (92)37x+74y=4403 69x-y=6003答案：x=87y=16 (93) 46x+34y=4820 71x-y=5183答案：x=73y=43 (94)47x+98y=5861 55x_y=4565答案：x=83 y=20 (95)30