1? 40? a40+a?
2? 50 1aba-b?
3? x 10? 10x?
4? 400ab400-ba?
5? a53? 5a+3?
6x? y? 2x+yy
74543? b? (88b)?
1? 15+a? (1)? ( 15)? Answ
1? 40? a40+a?
2? 50 1aba-b?
3? x 10? 10x?
4? 400ab400-ba?
5? a53? 5a+3?
6x? y? 2x+yy
74543? b? (88b)?
1? 15+a? (1)? ( 15)? Answer? 36? (36)? (1)
2? m? 4? 0.25? (m)? [(4)? (0.25)]
3a? BC? (1)? (3)? (b)? (3)
4? m? Answer? b? (m)? [(a)? (b)]
n? 12 12n y? y? Is it? bab X? 8? y? 8XY
a+bb? (a+b)bab+b? 2? c+6? 2c+6? 7? n-5? n? 2n2? Answer? b2ab
1? Answer? 2.5? b? 1.5? 4a? 2b
4a+2b=4? 2.5+2? 1.5= 13
2? x? 0.5? y? 25Y? XY?
5? 2-0.5? 2=9
3? m? 3? n? 4 1 1m? 1 1n。
1 1? 3+ 1 1? 4=77
1ab? m
1ma-b?
2a? 30? b? 25? m? 60?
6030-25? = 12?
12
2a? b?
1?
Answer? -B?
2a= 12? b=3?
12? -3? = 135
135?
1? Answer? /? 10%? (a? 1- 10%? )
2? 5? /c5c
38 mm? 2? 8+a? cm?
4m? n58? 5m+8n?
5? 1.80.3? t 1.8+0.3t?
1.? x=52x2+3=43
2.? bx? x+b
3.xy 10? x-y? 4.mnm? n
1x? 126.8? 12x-6.8
2? ab? 5 a? b+5?
3? Answer? 3.3b? 4.2 3a+4.2b
4? x0.3? 4.5? 4.5? x-0.3?
5? ab? 6+b?
1m? a 1m
a(a? 1)m(a? m? 1)
2? Answer? 107
( 1)30a? 0.7=2 1a?
30? 2 1a
(2) ?
0? b? 10b? abdominal muscle
b? 10b? 0.7 lbs
5? 7? 12? 5? 5x? 40 18? 6x x? 5? eight
9.2? 3x? 15.2x? 18 & lt; 340.5x? 24.4? x & gt 15.7
1?
2
3? 16=4x-8
4? 9.3- 1.3= 10-2 ?
5? 6x-5 & lt; 23
a=b?
a+3=b+? 3 ? A-? c? =b-c
Answer? d=bd? a 10? =b? 10
1akg3? 3kg?
a-3=3
2? 7.5? x? 30? .
7.5x=30
300kg? 5g? 30g?
three
1? 1? 5g? 1? 30g35g?
2? 1? 30g? 35g65g? 65g? 35g 100g
3? 100g 100g 100g?
1?
x+ 140=290
x+ 140- 140 = 290- 140
x= 150
x? 2.5= 100
x? 2.5? 2.5= 100? 2.5
x=250
x? 87=275
x? 87+87=275+87
x=362
77? x=2 1.9
77? x+x=2 1.9+x
77=2 1.9+x
77-2 1.9 = 2 1.9+x-2 1.9
x=55. 1
77? x= 1 1
77? x? x= 1 1? x
77? 1 1= 1 1? x? 1 1
x=7
6.2x= 124
6.2x? 6.2= 124? 6.2
x=20
39? x=3
39? x? x=3? x
39? 3=3? x? three
x= 13
4.4x=44
4.4x? 4.4=44? 4.4
x= 10
2
1? X-5.6= 16.2
x-5.6+5.6 = 16.2+ 16.2
X = 32.4
X-5.6= 16.2
x-5.6+5.6= 16.2+5.6
x=2 1.8
2? 10x=5
10x? 10=5? five
x= 1
10x=5
1x? 10=5? 10
x=0.5
3? x- 1.5=3.6
:x- 1.5+ 1.5 = 3.6- 1.5
x=2. 1
x- 1.5=3.6
:x- 1.5+ 1.5 = 3.6+ 1.5
X =5. 1
three
1? x? 4? 22
x? 4=22
:x? 4? 4 =22? four
x=5.5
2? x? 6.6? 12.4
x-6.6= 12.4
:x-6.6+6.6= 12.4+6.6
x= 19
3? x4.8=5
x? 4.8=5
x? 4.8? 4.8=5? 4.8
x =24
4?
1? 400? Eight hundred
x
x-400=800
x-400+400=800+400
x= 1200
1200? .
256? 2?
x
2x=56
2x? 2=56? 2
x=28
28? .
1?
2x- 16=5.6
2x- 16+ 16 = 5.6+ 16
2x=2 1.6
X= 10.8
3.2x+ 1.5? 2= 12.6
3.2x+3= 12.6
3.2x+3-3= 12.6-3
3.2x=9.6
3.2x? 3.2=9.6? 3.2
x=3
5? x-2.5? =5.5
5? x-2.55 =5.5? five
x-2.5= 1. 1
x-2.5+2.5= 1. 1+2.5
X=3.6
3.6? 5-x? =7.2
3.6? 5-x3.6 =7.2? 3.6
5 x = 2
5-x+x =2+x
5=2+x
5-2=2+x-2
X=3
x+6.94=2.5
x+6.94? 4=2.5? four
x+6.9= 10
x+6.9-6.9= 10-6.9
x=3. 1
2x-4.66= 1.8
2x-4.66? 6= 1.8? six
2x-4.6 = 10.8
2x-4.6+4.6 = 10.8+4.6
2x = 10.8+4.6
2x= 15.4
2x? 2= 15.4? 2
x=7.7
2? & gt& lt? =
1X=2.5 10X-3? 28? 10X+3=28
2X = 46.2+X & lt; 1 1 ? 54 >; 200? X
3X = 59X+X & gt; 45 9X-X & lt; 45
4X=5? 5X+35 & gt; 5 ? 5x-35 & lt; five
three
1? x? 3.3? 1.2? 4? 1 1.4?
2? x? 3.46 1.5?
3? x? 4 1.67.2.
4?
1200805
x
80+5x=200
80+5x-80=200-80
5x=200
5x? 5=200? five
x=24
24? .
27220 16? 2.4
x
2.4? 20+ 16x=72
48+ 16x=72
48+ 16x-48=72-48
16x=24
16x? 16=24? 16
x= 1.5
1.5? .
5? x=8?
x-3? 1. 1? =5.5
3.5 ? 15-x? =0.5
5x+32.9? =48.7
5x+ 12? 2? =26
x= 12 x=7 x=2
x = 2 x = 1 1 x = 14.3
1? 3x+ 12=842? 40? 9+9x=8 10? 940+x? =8 10
1? x?
2x- 15=73
x=44
44?
2 1x?
2x+30= 1 10
x=40
40.
2x?
2x-20= 1 10
x=65
65.
3? x
1.5x-2=52
x=36
36
4x
x+3x=360
x = 90°
90? 3=270?
27090
x= 1.4 x=3 x=2
x=0.4 x=4 x=8
1? 9x-4x= 180 x=36
2? 8x- 14=58 x=9
3? 0.75x=2.4? 6 x= 19.2
1x
1.5+x6= 13.8
x=3.2
3.2
2? x
3x-5? 2.2=2.5
x=4.5
4.5? .
3x
5? 3+5x=35
x=4
4? .
4x?
2x+2x? =72
x= 12
12? 2=24
12? 24? .
4? x
15x- 12x=240
x=80
80
1? x=6 x=2 x= 1.4
x=0.8 x=4 x=5
1x?
68? 4+4x=560
x=72
72?
2x95?
475-? 50+45? x=95
x=4
495.
3x?
28x+2 1x=392
x=8
8.
4; x?
60 1.5+2? + 1.5x=330
x=80
80.
3x?
36? =0.6?
x+0, 120.6=0.24
x=0.28
0.28.