2(X+X+0.5)=9.8 3x+9=27 3x
25000+x=6x 3200=450+5X+X 12x=300-4x 3x
5.3+7x=7.4
X-0.8X=6 12x+8x=4.8 7(x-2)=49 4
8-7x=1 2 x-30=127 9-8=16 3x+9=27 ÷5=4.8 +4x=40 ×8+2x=36
41-3x=17 81
6x-21=21 6x-3=6 4x-18=13 16-2x=11
x+4+8=23 7x-48=8 6.7x
18x-14x=12 23 x
÷3x=9 11-5×14=22 3-5x=80 180-6x-60.3=6.7 0.2x 22+34x=56 =
-0.4+0.5=3.722-25x=12 1
0.5×16―16×0.2=4x 16.9÷X=0.3 22-4x=20 x÷5+9=21 7(6.5+x)=87.5 (x-140)÷70=4 20-8x=1.2×6.2 48-27+5x=31
12x+34x=115 5X-2X=18 X-0.8X=6 12x-8x=4.8
7.5×2X=15 x-0.7x=3.6 3x
3x÷5=4.8 30
410-3x=170 3(x+0.5)=21 0.5x+8=43 6x-3x=18
÷x+25=85 1.4-8=16 7x+5.3=7.4 ×8-2x=6 6x-12.8×3=0.06
10.5+2x+21=56 x+2x+18=78 (200-x)
3x+6=18 2(2.8+x)=10.4 (x-3)
6x+18=48 3(x+2.1)=10.5 12x-9x=8.7 13(x+5)=169
3.4x-48=26.8 42x+25x=134 1.5(x+1.6)=3.6 2(x-3)=5.8
÷5=30 9.4x÷2=7.5 13.2x+9x=33.3 -0.4x=16.2 2
70x+7=42 4x+4×2.5=101 4.2 x+2.5x=134 10.5x+6.5x=51 x+14x=65 93-5x=80 1.8 +6x= 3x=x+100
x-43x=9.2 5x-45=100 1.2x-0.5x=6.3 0.5
23.4+2x=56 4x-x=48.6 4.5x-x=28 15X-2X=18
3X+0.7=38.5 26
9.25-X=0.403 16.9
×16―16×0.2=4x ×1.5= 2x+10 10x-8=6x 2x-8=10 ÷X=1.3 23x=16x+14 2 x-97=34.2
6.7x-60.3=6.7 9
x+7x=8 9x-3x=6 6x-8=4 5x+x=9
2x-6=12 7x+7=14 6x-6=0 5x+6=11
2.5x-8=4 3x+7=28 3x-7=26 9x-x=16
+4x=40 2x+8=16 23x-14x= 3
24x+x=50 1.2x-8=4 0 6x+6=12 3x-3=9 3.5X-4.8=37.9 9.2X+1.5X=32.1 1.5(X+0.4)=6.6
5x-3x=42 5x+8=19 14-6x=8 16
15+6x=27 (4.5+x)
4+5x=9 4.3x
2x+9=17 8-4x=6 6x-7=12 5x+9=11
×0.04=1.6 7x+8=15 9-2x=1 -1.8x=97.5 9+2.5x=14 x+9x=4+7 ×8-5x=23
14.5×5-8.7X=38.57 12.6-5X=8 x÷0.5=48.6×2
2.5x÷20=1 6.2x-x=41.6 2x-5.2=2.8 2x-20=4+16.8
2x+2.8×2=10.4 4x-3×9=29 5(x+1.5)=17.5 (x-3)÷2=7.5
13(x-1.5)=16.9 490-2.8x=2.8×95 8x+9=17 5-8x=4
4
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