解方程
2233X－ X= 2X + = 70%X + 20%X = 3.6
7554
X×35=20×14 25%
X＋38X＝121 5X
6X＋5 =13.4
X÷27=716
+ 10X = 45 X －3×
5＝5217 3134X?4?8 3X=X＋78X=34 - 15%X = 68
23X÷14＝12
38
4X－6×23=2
123
÷X= 3 X =
551025 72 8 X =
916×16
51 X÷ 6=26×133545254
310X－21×23=4
6X＋5 =13.4
5X=1519
4x－3 ×9 = 29 25 X-13 X=3
10 821X=415 X
112x + 6x =
4χ－6＝38
÷4155=28
2X÷1=12 3X=25 8X=1×16
345 X÷6=26÷13354525
4+0.7X=102
X-38X=400
72X-0.25=14 23X+12X=42 X+X-0.125X=8 9651
X4=30% 14X=105
36 = 3X4
31313
X+ X=18 X×( + )= x－70.375x=56
x×2+1=4×3328
0.36×5- 334 x = 5
x- 0.8x = 16+6 20
X＋25%X=90
(1)35χ+2.4χ=6
6812 X－37X＝12 5 X－2.4×5＝8
23 (x- 4.5) = 7 1
2 x- 25%x = 10
x– 8.5= 1.5 x- 4
5 x -4= 21
X－38
7 X= 9
χ=5:4.2 (3)1.8χ－χ=2.4
(2)3.5:
(4)10=2.5(5)6×3－1.8χ=7.2 (6)17－5χ=2.4+31
x0.8
(7)x=1.245 (10)
x=1.51.20.6
χ－1χ=348
31
(11)×－χ=15255×56－2χ=8
(8)
(9)12.6