1樓:sunb斷腸人
要答案嗎
7(2x-1)-3(4x-1)=4(3x+2)-1;
(5y+1)+ (1-y)= (9y+1)+ (1-3y);
[ ( )-4 ]=x+2;
20%+(1-20%)(320-x)=320×40%2(x-2)+2=x+1
2(x-2)-3(4x-1)=9(1-x)11x+64-2x=100-9x
15-(8-5x)=7x+(4-3x)
3(x-7)-2[9-4(2-x)]=223/2[2/3(1/4x-1)-2]-x=21 2x-10.3x=15
2 0.52x-(1-0.52)x=80
3 x/2+3x/2=7
4 3x+7=32-2x
5 3x+5(138-x)=540
6 3x-7(x-1)=3-2(x+3)
7 18x+3x-3=18-2(2x-1)8 3(20-y)=6y-4(y-11)
9 -(x/4-1)=5
10 3[4(5y-1)-8]=6
10/3 (x/5+3/7)=9x/2
5/3(x+0.5)+2=3x-6
5x+2(2x/3+2)=2/3(x-6)+2(2x-7)/2-(6x-5)/3=2x+3(3x+2)/5-(x-6)=x/3
6x-(x/3+2)=2(x/5+5/2)-33(x/11-2)-5=2+3x/3
10/3(2x-6)=3/5
x/2-(x/3-2)=3
2/3(x+3)-3=5x/3
5/3(2x-5/3)=2x/5-8/9
25(x/3-x/2+2/5)-2=3/5(x-2/7)+4/9(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
2樓:eric菲曦
7(2x-1)-3(4x-1)=4(3x+2)-1;
(5y+1)+ (1-y)= (9y+1)+ (1-3y);
[ ( )-4 ]=x+2;
20%+(1-20%)(320-x)=320×40%2(x-2)+2=x+1
2(x-2)-3(4x-1)=9(1-x)11x+64-2x=100-9x
15-(8-5x)=7x+(4-3x)
3(x-7)-2[9-4(2-x)]=223/2[2/3(1/4x-1)-2]-x=21 2x-10.3x=15
2 0.52x-(1-0.52)x=80
3 x/2+3x/2=7
4 3x+7=32-2x
5 3x+5(138-x)=540
6 3x-7(x-1)=3-2(x+3)
7 18x+3x-3=18-2(2x-1)8 3(20-y)=6y-4(y-11)
9 -(x/4-1)=5
10 3[4(5y-1)-8]=6
10/3 (x/5+3/7)=9x/2
5/3(x+0.5)+2=3x-6
5x+2(2x/3+2)=2/3(x-6)+2(2x-7)/2-(6x-5)/3=2x+3(3x+2)/5-(x-6)=x/3
6x-(x/3+2)=2(x/5+5/2)-33(x/11-2)-5=2+3x/3
10/3(2x-6)=3/5
x/2-(x/3-2)=3
2/3(x+3)-3=5x/3
5/3(2x-5/3)=2x/5-8/9
25(x/3-x/2+2/5)-2=3/5(x-2/7)+4/9(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
3樓:匿名使用者
太多了吧
1、(0.5+x)+x= 9.8÷2 2、 2(x+x+0.
5)=9.8 3、25000+x=6x 4、3200=450+5x+x 5 、x-0.8x=6 6、12x-8x=4.
8 7、7.5*2x=15 8、1.2x=81.
6 9、x+5.6=9.4
初一解方程200道計算題及答案加過程!急~~~~~~~~~求你了~~~~
4樓:騰禧嚴時
1、x-(x-1)/2=2-(x-2)/3x-x/2+1/2=2-x/3+2/3
x/2+x/3=2+2/3-1/2
5x/6=13/6
x=13/5
2、(x-1)/2-(2x-7)/6=(4x-5)/3-1x/2-1/2-x/3+7/6=4x/3-5/3-17/6-1/2+1+5/3=4x/3+x/3-x/210/3=7x/6
x=30/7
3、3(2x-1)=2(1-x)-1
6x-3=2-2x-1
8x=2-1+3
8x=4
x=1/2
4、1-(6-x)/6=0.4[1+(1+2x)/4]1-(1-x/6)=0.4+0.1*(1+2x)1-1+x/6=0.4+0.1+0.2x
x/6-0.2x=0.5
-x/30=0.5
x=-15
5、15-(8-5x)=7x+(4-3x)15-8+5x=7x+4-3x
5x+3x-7x=4+8-15
x=-3
6、(3x+1)/2-2=(3x-2)/10-(2x+3)/53x/2+1/2-2=3x/10-1/5-2x/5-3/53x/2-3x/10+2x/5=2-1/5-3/5-1/28x/5=7/10
x=7/16
7、7(2x-1)-3(4x-1)=4(3x+2)-114x-7-12x+3=12x+8-1
14x-12x-12x=8-1-3+7
-10x=11
x=-11/10
8、2(x-2)-3(4x-1)+9(1-x)2x-4-12x+3=9-9x
2x-12x+9x=9-3+4
-x=10
x=-10
9、y-(y-1)/2=2-(y+2)/5y-y/2+1/2=2-y/5-2/5
y-y/2+y/5=2-2/5-1/2
7y/10=11/10
y=11/7
10、(0.4x+0.9)/0.5-(0.03+0.02x)/0.03=(x-5)/2
4x/5+0.45-1-2x/3=x/2-5/24x/5-2x/3-x/2=1-5/2-0.45-11x/30=-39/20
x=117/22
11、2x+(3x-1)=16-(x+1)2x+3x-1=16-x-1
5x+x=15+1
6x=16
x=8/3
12、(x-3)/2-(4x+1)/5=10x/2-3/2-4x-1/5=10
-7x/2=10+1/5+3/2
-7x/2=117/10
x=-117/35
13、(x-3)/0.5-(x+4)/0.2=1.62x-6-5x-20=1.6
-3x=27.6
x=-9.2
14、[2(x+1)]/3=-1
2x/3+2/3=5x/6+5/6-1
2x/3-5x/6=5/6-1-2/3
-x/6=-5/6
x=515、(0.1x-02)/0.2-(x+1)/0.5+x無等式.
16、(2x-1)/6-(5x+1)/8=1x/3-1/6-5x/8-1/8=1
-7x/24=1+1/8+1/6
-7x/24=31/24
x=-31/7
17、(3+x)/2-(2x+3)/3=(3x+11)/63/2+x/2-2x/3-1=x/2+11/6-x/6-x/2=11/6-3/2+1
-2x/3=4/3
x=-2
18、5(x+2)=2(5x-1)
5x+10=10x-2
-5x=-12
x=12/5
19、7(2x-1)-3(4x-1)=4(3x+2)-114x-7-12x+3=12x+8-1
2x-4=12x+7
-10x=11
x=-11/10
20、3(x-7)+5(x-4)=15
3x-21+5x-20=15
8x-41=15
8x=56x=7
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