七年级上册100道计算题

一元一次方程专项练习题库

(1)2x+8=16 (2)x/5=10 (3)x+7x=8 (4)9x-3x=6 (5)6x-8=4 (6)5x+x=9 (7)x-8=6x (8)4/5x=20 (9)2x-6=12 (10)7x+7=14 (11)6x-6=0 (12)5x+6=11 (13)2x-8=10 (14)1/2x-8=4

(15)x-5/6=7 (16)3x+7=28 (17)3x-7=26 (18)9x-x=16 (19)24x+x=50 (20)6/7x-8=4 (30)3x-8=30 (31)6x+6=12 (32)3x-3=1 (33)5x-3x=4 (34)2x+16=19 (35)5x+8=19 (36)14-6x=8 (37)15+6x=27 (38)5-8x=4 (39)7x+8=15 (40)9-2x=1 (41)4+5x=9 (42)10-x=8 (43)8x+9=17 (44)9+6x=14 (45)x+9x=4+7 (46)2x+9=17

(47)8-4x=6 (48)6x-7=12 (49)7x-9=8 (50)x-56=1 (51)8-7x=1 (52)x-30=12 (53)6x-21=21 (54)6x-3=6 (55)9x=18 (56)4x-18=13 (57)5x+9=11 (58)6-2x=11 (59)x+4+8=23 (60)7x-12=8 (61)X-5.7=2.15 (62)15.5X-2X=18 (62)3X-0.7=5 (63)3.5×2= 4.2x (64)26×1.5= 2x (65)0.5×16―16×0.2=4x (66)9.25－X=0.403 (67)16.9÷X=0.3 (68)X÷0.5=2.6 (69)x ＋13＝33 (70)3 － 5x ＝80 (71)1.8- 6x ＝54 (72)6.7x －60.3＝6.7 (73)9 ＋4x ＝40 (74)0.2x －0.4＋0.5＝3.7 (75)9.4x －0.4x ＝16.2 (76)12 －4x ＝20 (77)1/3 x ＋5/6 x ＝1.4 (78)12 x ＋34 x=1 (79)18x －14 x= 12 (80)23 x －5×14 = 14 (81)12 ＋34 x=56

(82)22－14 x= 12 (83)23 x －14 x= 14

（84）x ＋14 x= 65 (85)23 x=14 x ＋14 (86)30 x －12 x －14 x=1

(87) 6.32.53.44.15.1+--+- (88) ()???

?-÷-21316 (89)??

??÷??? ??

-24161315.0 （90）3（x-2）=2-5(x-2)

(91) 2(x+3)－5(1－x)=3(x －1) (92) 3(1)2(2)23x x x +-+=+ (93) 3(2)1(21)x x x -+=--

(94) 2x －13 =x+22 +1 (95) 12131=--x

(96)

x x -=+3

(97) 12542.13-=-x x

(98 )

310.40.342x x -=+ (99) 3142

125

x x -+=- (100)

31257

243

y y +-=-

(101) 576132x x -=-+ (102)

143321=---m m (103) 5

221+-=--y y y (104)12136x x x -+-

=- (105) 38

123

x x ---= (106)

12(x-3)=2-12(x-3) (107)35

.012.02=+--x x (108) 301.032.01=+-+x x (109) 223

146x x +--= （110）124362x x x -+--=

(111) x x 23231423 =??

???-??? ??- (112) 112[(1)](1)223

x x x --=- （113）27(3y+7)=2 - 32y