2x=8x÷5=10x+7x=89x-3x=66x=125x+x=9x-8=64÷x=20x+6=12x-8=16x÷8=10x+7x=89x-3x=6x-9=45x+x=9x+0.3=1.54x-x=48.61.2x-0.5x=6.37x=14-76x=0+65x=11-62x=10+82x=4+8x-5=79x-x=164x+x=505-x=49-x=110-x=81.2x-0.5x=6.3x-30=129x=1816.9÷X=0.3X÷0.5=2.6x＋13＝335x-2x=303-x=1.4x-3=1.43.6+x=7x+3.6=76÷x=2x÷6=250+x=25031-x=12x-31=12x-63=3663-x=361.5x=96x=48-18x-6.5=3.26.5-x=3.2x÷8=0.48÷x=0.412x-9x=8.7120-x=9x-20=915-x=2x-15=22.1÷x=3x÷2.1=36.3÷x=7x÷6.3=7x÷4.5=1.217.5÷x=3.5x÷17.5=3.55x=105X-0.8X=619y+y=4079y+y=8042x+28x=1403x=990y=90+9080y=70+9078y+2y=1608x=88-804x=9-120x=4065y=100+3051y-y=1006X-3X=18x÷2=88÷x=20.273÷x=0.35x÷0.273=0.351.8x=0.972x÷0.756=909x=5+40x÷5=21-95x=3010.5+x+21=56x+2x=78-18200-x=30x-140=4x+6=3.3×0.4x-5.6=1.6÷46.5+x=87.5÷73X+5X=4814X-8X=122X=44-3020X=50+506X=88+6822X=32-10X+3=18X-6=12x+32=763x=18×68x=40÷5x÷0.3=92
