65+2X=4420 28+6X=88 32-22X=1024-3X=3 10X（5+1）=60 99X=100-X5x2xx5.6 4.8x2xx4. 53X+5X=48X+3=18 X-6=12 56-2X=204y+2=6 x+32=76 3x+6=1814X-8X=12 5x2xx5.6 4.8x2xx4. 16+8x=40 2x-8=8 4x-39=298x-3x=105 x-65=42 x+5=72x+3=10 12x-9x=9 6x+18=4856x-50x=30 5x=15 78-5x=2832y-29=3 5x+5=15 89x-9=80100-20x=20 55x-25x=60 76y-75=123y-23=23 4x-20=0 80y+20=10053x-90=16 2x+9x=11 12y-12=2480+5x=100 7x-8=6 65x+35=10019y+y=40 25-5x=15 79y+y=8042x+28x=140 3x-1=8 90y-90=9080y-90=70 78y+2y=160 88-x=809-4x=1 20x=40 65y-30=10051y-y=100 85y+1=-86 45x-50=405x2xx5.6 4.8x2xx4. 53X+5X=4814X-8X=12 5x2xx5.6 4.8x2xx4. 53X+5X=48 14X-8X=12