10x + 45 X 8=810
5x-3x=68
4x+10=5
320=45+6x
13
- x= 1.3
x+8.3=19.7
x-0.35x=0.91 0.3-0.15 + 25x=12 7.5x+x=10.2 3.3 —
x=0.3
8.8 十 x=4.4
9 十 x=0.03
5x-4X 12=22.5
14x - 3=6.3 X 4
2x+ 0.4x=48
0.7(x+0.9)=42 1
3(x-0.2)=9.6
5x+34=3x+54
x+(3-0.5)=12
1.3x+2.4X 3=12.4
7.4 - (x-2.1)=6
x-0.6x=8
x+8.6=9.4
52 - 2x= 15
6x— 3x=6 十 5
7x—27=13—3x
0.4 X 25 — 3.5x=6.5
7x+ 3X 1.4x=0.2 X 56 5X (3—2x)=2.4X 5
6 X(3—2x)=1.2X5
1.12x+(x—3)+x=153
(x — 9) — (98 — x — 9)=4 40-8x=5 x - 5=21
(1.5+x)X 2=9
15x— 5x+
16=80
15.6 - 4 — 3.5x=1.1
3x+5x=48 14x-8x=12 6X 5+2x=44
2
20x-50=50
28+6x=88
8x-6x+30=12x+15
32-22x=10
24-3x=3
99x=100-x
x+3=18
x-6=12
56-2x=20
4y+2=6
x+32=76
3x+6=18
16+8x=40
2x-8=8
4x-3X 9=29 8x-3x=105
x-6 X 5=42
8x- x=14.7
35x+13x=9.6
5(x+3)=35
4(4x-1 ) =3(22- x)x+ 3.7x+ 2=16.1
14x+3x-1.2x=158
0.52X 5-4x=0.6
3
7+x=19
x+120=176
(20-8x)+
3=2x+1
12十 8x=3
58+x=90
x+150=290
79.4+x=95.5
2x+55=129