2(x-2)-3(4x-1)=9(1-x)
2x-12x+9x=4-3+9
-x=10
x=-10
11x+64-2x=100-9x 11x-2x+9x=-64+100
18x=36
x=2
15-(8-5x)=7x+(4-3x) 15-8+5x=7x+4-3x
5x-7x+3x=-15+8+4
x=-3
3(x-7)-2[9-4(2-x)]=22
3x-21-2-8x=22
3x-8x=22+21+2
-5x=45
x=-9 3/2[2/3(1/4x-1)-2]-x=2
1/4x-1/2-1/3-x=2
1/4x-x=2+1/2+1/3
3/4x=17/6
x=34/9 2(x-2)+2=x+1
2x-4+2=x+1
2x-x=4-2+1
x=3
0.4(x-0.2)+1.5=0.7x-0.38
0.4x-0.08+1.5=0.7x-0.38
0.4x-0.7x=0.08-1.5-0.38
-0.3x=-4.5
x=15 30x-10(10-x)=100
30x-100+10x=100
30x+10x=100+100
40x=200
x=5
4(x+2)=5(x-2)
4x+8=5x-10
4x-5x=-8-10
-x=-18
x=18 120-4(x+5)=25
120-4x-20=25
-4x=-120+20+25
x=18.75 15x+863-65x=54
-50x=-809
x=16.18 12.3(x-2)+1=x-(2x-1)
12.3x-24.6+1=x-2x+1
12.3x-x+2x=24.6-1+1
13.3x=24.6
x=246/133 11x+64-2x=100-9x
11x-2x+9x=-64+100
18x=36
x=2 14.59+x-25.31=0
x=﹣14.59+25.31
x=10.72 x-48.32+78.51=80
x=48.32+80-78.52
x=49.8 820-16x=45.5×8
-16x= (x-6)×7=2x
3x+x=18
0.8+3.2=7.2
12.5-3x=6.5
1.2(x-0.64)=0.54
x+12.5=3.5x
8x-22.8=1.2
1\ 50x+10=60
2\ 60x-30=20
3\ 3^20x+50=110
4\ 2x=5x-3
5\ 90=10+x
6\ 90+20x=30
7\ 691+3x=700
誰能幫下我把下面30道一元一次方程解了
誰能幫下我把下面30道一元一次方程解了
1.2(x-2)-3(4x-1)=9(1-x)
2.11x+64-2x=100-9x
3.15-(8-5x)=7x+(4-3x)
4.3(x-7)-2[9-4(2-x)]=22
5.3/2[2/3(1/4x-1)-2]-x=2
6.2(x-2)+2=x+1
7.0.4(x-0.2)+1.5=0.7x-0.38
8.30x-10(10-x)=100
9.4(x+2)=5(x-2)
10.120-4(x+5)=25
11.15x+863-65x=54
12.12.3(x-2)+1=x-(2x-1) //
13.11x+64-2x=100-9x
14.14.59+x-25.31=0
15.x-48.32+78.51=80
16.820-16x=45.5×8
17.(x-6)×7=2x
18.3x+x=18
19.0.8+3.2=7.2
20.12.5-3x=6.5
21.1.2(x-0.64)=0.54
22.x+12.5=3.5x
23.8x-22.8=1.2
24.1\ 50x+10=60
25.2\ 60x-30=20
26.3\ 3^20x+50=110
27.4\ 2x=5x-3
28.5\ 90=10+x
29.6\ 90+20x=30
30.7\ 691+3x=700
1.2(x-2)-3(4x-1)=9(1-x)
2.11x+64-2x=100-9x
3.15-(8-5x)=7x+(4-3x)
4.3(x-7)-2[9-4(2-x)]=22
5.3/2[2/3(1/4x-1)-2]-x=2
6.2(x-2)+2=x+1
7.0.4(x-0.2)+1.5=0.7x-0.38
8.30x-10(10-x)=100
9.4(x+2)=5(x-2)
10.120-4(x+5)=25
11.15x+863-65x=54
12.12.3(x-2)+1=x-(2x-1) //
13.11x+64-2x=100-9x
14.14.59+x-25.31=0
15.x-48.32+78.51=80
16.820-16x=45.5×8
17.(x-6)×7=2x
18.3x+x=18
19.0.8+3.2=7.2
20.12.5-3x=6.5
21.1.2(x-0.64)=0.54
22.x+12.5=3.5x
23.8x-22.8=1.2
24.1\ 50x+10=60
25.2\ 60x-30=20
26.3\ 3^20x+50=110
27.4\ 2x=5x-3
28.5\ 90=10+x
29.6\ 90+20x=30
30.7\ 691+3x=700
數(shù)學(xué)人氣:632 ℃時(shí)間:2020-04-04 02:03:43
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