七年级数学上册解方程专项练习 119Word文档下载推荐.docx
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-
=4
y-
=1-
0.6x-0.3=6.2-18x
9(x-3)+4(x-6)=20
2x+5(15-x)=-2
(300+x)-
(600-x)=200×
13x-34=6x+19
5x=
x+13
2(5-x)=-2(x+7)
5(-2x-5)+4x=9
(x-6)-(7x+1)=-
x-
=2
=6-
0.3x-0.6=2.7-12x
5(x-7)-9(x-7)=15
3x+2(15-x)=-8
(100+x)-
(400-x)=100×
19x-34=8x+27
2x=
3(5-x)=-5(x+6)
2(-2x-3)+2x=6
(x-10)-(4x+3)=-
=1
=4-
0.1x-0.2=4.9-13x
5(x-2)+4(x-1)=17
4x+4(12-x)=-9
11x-36=8x+28
x+11
5(6-x)=-4(x+3)
2(-4x-5)+4x=6
(x-4)-(9x+10)=-
=2-
0.6x-0.1=6.6-22x
8(x-1)-5(x-7)=18
2x-3(16-x)=-2
(600-x)=400×
12x-28=4x+17
x+5
5(3-x)=-2(x+4)
2(-4x-3)+3x=8
(x-10)-(5x+10)=-
0.8x-0.6=5.6-19x
7(x-9)+9(x-6)=19
6x+2(19-x)=-6
13x-25=5x+18
4x=
x+8
3(-2x-3)+3x=6
(x-4)-(7x+3)=-
=5-
0.4x-0.3=1.7-18x
5(x-7)-4(x-3)=12
2x-2(19-x)=-1
10x-32=3x+16
9x=
x+6
3(5-x)=-2(x+10)
5(-4x-4)+4x=6
3/2(x-2)-(8x+8)=-
=3-
0.7x-0.6=6.4-26x
6(x-6)+3(x-5)=15
2x+2(11-x)=-4
14x-37=2x+30
x+1
3(6-x)=-5(x+6)
5(-3x-4)+3x=5
(x-4)-(5x+2)=-3/2
=3
0.7x-0.4=3.9-30x
8(x-9)-3(x-3)=12
6x-2(17-x)=-6
(500-x)=100×
13x-33=3x+16
x+3
3(4-x)=-4(x+8)
4(-2x-4)+3x=8
(x-8)-(7x+3)=-
0.2x-0.9=1.5-21x
8(x-9)+5(x-3)=15
5x+5(13-x)=-7
(500-x)=200×
17x-26=9x+29
2(4-x)=-5(x+6)
4(-3x-1)+3x=6