七年级数学上册解方程专项练习 151.docx
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七年级数学上册解方程专项练习151
5(-2x-1)+2x=7
3/2(x-8)-(3x+10)=-
x-
-
=1
y-
=5-
0.8x-0.5=1.9-11x
4(x-2)+9(x-4)=15
4x+2(11-x)=-8
(100+x)-
(600-x)=300×
10x-27=4x+27
4x=
x+1
4(3-x)=-4(x+6)
3(-2x-1)+2x=9
(x-2)-(5x+4)=-
-
=1
=5-
0.6x-0.2=6.8-16x
3(x-9)+3(x-4)=13
4x+5(10-x)=-6
(300+x)-
(400-x)=400×
16x-22=9x+16
7x=
x+5
4(5-x)=-3(x+5)
5(-2x-3)+3x=8
(x-8)-(5x+8)=-
-
=1
=1-
0.3x-0.9=3-13x
6(x-1)+5(x-5)=19
2x+2(18-x)=-2
(200+x)-
(600-x)=400×
20x-31=3x+24
3x=
x+4
2(5-x)=-4(x+9)
2(-4x-4)+2x=5
(x-10)-(3x+2)=-
-
=1
y-
=3-
0.7x-0.4=5.1-24x
7(x-1)-9(x-9)=19
5x+5(16-x)=-1
(200+x)-
(500-x)=300×
15x-28=2x+22
2x=
x+7
4(3-x)=-2(x+2)
4(-3x-4)+2x=9
(x-8)-(5x+3)=-
x-
-
=3
=1-
0.7x-0.6=6.1-30x
6(x-1)-2(x-7)=17
5x-3(11-x)=-1
(200+x)-
(400-x)=300×
12x-32=9x+18
4x=
x+11
3(6-x)=-2(x+6)
5(-3x-2)+4x=5
(x-6)-(9x+6)=-
x-
-
=4
=1-
0.2x-0.2=4.3-18x
3(x-4)-4(x-9)=19
6x+4(12-x)=-7
(300+x)-
(400-x)=400×
16x-23=3x+26
7x=
x+12
3(3-x)=-5(x+2)
3(-4x-1)+2x=5
3/2(x-8)-(8x+10)=-
x-
-
=2
=6-
0.4x-0.8=3.1-18x
3(x-4)+4(x-4)=10
3x-5(19-x)=-9
(100+x)-
(500-x)=100×
19x-30=5x+24
5x=
x+14
5(4-x)=-2(x+9)
3(-4x-3)+3x=8
(x-4)-(4x+10)=-
x-
-
=4
=2-
0.4x-0.5=4-19x
9(x-7)+7(x-8)=17
6x-5(14-x)=-4
(100+x)-
(500-x)=100×
15x-25=3x+19
9x=
x+3
5(3-x)=-3(x+5)
3(-2x-3)+4x=5
(x-10)-(3x+1)=-
x-
-
=2
=5-
0.8x-0.2=6.3-27x
3(x-9)+6(x-7)=17
5x-5(10-x)=-3
(100+x)-
(400-x)=100×
15x-39=7x+27
9x=
x+10
3(6-x)=-4(x+6)
5(-2x-1)+4x=6
(x-6)-(2x+8)=-
-
=1
=2-
0.9x-0.3=7-24x
5(x-9)-5(x-2)=12