325813116626 X = X = × X÷ =× 5729256513545
4x-3 ×9 = 29 x + x = 4 1132X-21×=4 26
x?14x?20 2(x?2.6)?8 6X
2135 X-3 X=10 4χ-6=38 5X=
821X=441515 X÷5=28
35X=2572 89X=16×1651 X
6
103+5 =13.4 1519 23X÷14=12 ÷6261335=45÷25 X-0.25=
14X=30% 4+0.7X=102 43211X+X=42 X+X=105 X-X=400
8324
X-0.125X=8
13133521 X×( + )= x-0.375x= x×+=4×
68128632
333X-X=12 5 X-2.4×5=8 0.36×5- x =
457
21
(x- 4.5) = 7 x- 25%x = 10 X+25%X=90 32
4
x- 0.8x = 16+6 20 x– 8.5= 1.5 x- x -4= 21 5
3363 = X+ X=18
7X4 7
382233X- X= X- X= 2X + = 797554
70%X + 20%X = 3.6 X×=20× 25% + 10X =
X - 15%X = 68 X+X=121 5X-3×
3855= 217351445313X?? 3X=3X÷2=7 X+7X=3 448871684
123325821164X-6×=2 ÷X= X = X = ×
51057293651 X÷
1362611=× 4x-3 ×9 = 29 x + x = 4
25354526 8
132X-21×=4 x?x?20 2(x?2.6)?8
4103
213
6X+5 =13.4 X- X= 4χ-6=38
5X=1519
23X÷14=12 X÷635=261345÷25
4+0.7X=102
5310821X=415 X35X=2572 142X+132X=42 X+9
÷4155=28 89X=16×1651
X4=30%
14X=105 X-0.25=
X-X=400 X-0.125X=8
313135 X+ X=18 X×( + )= x-0.375x=
768126
x×+=4× X-X=12 5 X-2.4×5=8
3321
0.36×5- x = (x- 4.5) = 7 x- 25%x = 10 4532
4
x- 0.8x = 16+6 20 x– 8.5= 1.5 x- x -4= 21 5
38363 = X423123837 10