X-5.7=2.15 ,15 5X-2X=18,3X+0.7=5 ,3200=450+5X+X ,X-0.8X=6 ,x+5.6=9.4,52－x ＝15 ,1÷x ＝1.3 ,X+8.3=10.7,15x ＝3,3x－8＝16,7(x-2)=2x+3 ,3x+9=2718(x-2)=270,12x=300-4x,7x+5.3=7.4,3x÷5=4.8,30÷x+25=85,1.4×8-2x=6,410-3x=170,3(x+0.5)=21,0.5x+8=43,6x-3x=18 ,1.5x+18=3x ,5×3-x÷2=8 ,
0.273÷x=0.35,1.8x=0.972 ,x÷0.756=90,9x-40=5,x÷5+9=21,48-27+5x=31,
10.5+x+21=56,
x+2x+18=78,(200-x)÷5=30,(x-140)÷70=4 ,0.1(x+6)=3.3×0.4 ,4(x-5.6)=1.6,
7(6.5+x)=87.5 ,(27.5-3.5)÷x=4,x+19.8=25.8,5.6x=33.6,9.8-x=3.8,75.6÷x=12.6,5x+12.5=32.3 ,5(x+8)=102 ,x+3x+10=70,3(x+3)=50-x+3 ,5x+15=60,
3.5-5x=2,0.3×7+4x=12.5 ,x÷1.5-1.25=0.75,4x-1.3×6=2.6,20-9x=1.2×6.25,
6x+12.8=15.8,
150×2+3x=690,2x-20=4 ,3x+6=18,2(2.8+x)=10.4,(x-3)÷2=7.5,13.2x+9x=33.3,
3x=x+100 ,x+4.8=7.2 ,6x+18=48 ,3(x+2.1)=10.5 ,13(x+5)=169,2x-97=34.2 ,
3.4x-48=26.8 ,42x+25x=134 ,1.5(x+1.6)=3.6 ,2(x-3)=5.8 ,65x+7=42,9x+4×2.5＝91,4.2 x+2.5x＝134 ,10.5x+6.5x=51,89x-43x=9.2 ,5x-45=100,
1.2x-0.5x=6.3,23.4=2x=56,4.5x-x=28,X-5.7=2.15 ,15 5X-2X=18,3X+0.7=5 ,
3.5×2= 4.2+x,26×1.5= 2x+10 ,0.5×16―16×0.2=4x,13 9.25－X=0.403,16.9÷X=0.3,X÷0.5=2.6,x＋13＝33,3 － 5x＝80,1.8 +6x＝54,6.7x －60.3＝6.7 ,
9 ＋4x ＝40,2x+8=16,x/5=10 ,x+7x=8,9x-3x=6 ,6x-8=4 ,5x+x=9 ,4/5x=20,2x-6=12,7x+7=14,6x-6=0 ,5x+6=11,2x-8=10,1/2x-8=4,x-5/6=7,3x+7=28,3x-7=26,9x-x=16,24x+x=50,6/7x-8=4,3x-8=30 ,6x+6=12 ,3x-3=1 ,5x-3x=4 ,
2x+16=19 ,5x+8=19 ,14-6x=8 ,15+6x=27 ,5-8x=4 ,7x+8=15 ,9-2x=1 ,4+5x=9 ,
10-x=8 ,8x+9=17 ,x+9x=4+7 ,2x+9=17 ,8-4x=6 ,6x-7=12 ,7x-9=8 ,x-56=1,
8-7x=1,x-30=12,6x-21=21,6x-3=6,9x=18 ,4x-18=13,5x+9=11,6-2x=11,x+4+8=23,
7x-12=8,X-5.7=2.15 ,15 5X-2X=18,3X 0.7=5 ,3.5×2= 4.2 x,16.9÷X=0.3,
X÷0.5=2.6 ,3－5x＝80 ,1.8-6x＝54 ,6.7x－60.3＝6.7,9 ＋4x＝40,
0.2x－0.4＋0.5＝3.7 ,9.4x－0.4x＝16.2,12－4x＝20 ,1/3x＋5/6x＝1.4 ,12x＋34x=1 ,18x－14x=12 ,23 x－5×14=14 ,12＋34x=56,22－14x=12,23x-14x=14,
x＋14x=65 ,23x=14x＋14 ,30x12x－14x=1 ,x-0.7x=3.6 ,