48-3x=165x×(5+1)=6099x=10036÷x=18X-X=342X+=70%X+20%X=3
6X×35=20×14x÷6=1256-2x=204y+2=6x+32=76X+38X=1215X-3×521=5723X÷14=1225%+10X=4516+8x=402x-8=84x-3×9=293x+6=186X+5=13
434X+14=383X=38X-15%X=68154-X=247X=49126÷X=428x-3x=105X÷27=716X+78X=344X-6×23=2÷X=2(x+3)=1012x-9x=956x-50x=305x=15(x-5)35X=257289X=16×1651X÷635=2645×13254x-3×9=2923y÷23=234x-20=080y+20=100-20y78-5x=28310X-21×23=412x+16x=46X+5=13
4X-X=253x-90=162x+9x=1112(y-1)=2480÷5x=1005X=1519821X=415X÷45=15284χ-6=3823X÷14=1219y+y=4025-5x=1579y+y=807x÷8=6X÷635=2645÷1325X-0
25=14X4=30%35X=257289X=16×165142x+28x=14065x+35=1009÷(4x)=120x=40–10x34+0
7X=10223X+12X=42X+14X=105X-38X=40080y-90=70÷3078y+2y=16088-4x=80-2x65y-30=100X-38X=400X-0
125X=836X=34X+X=18X×(+)=x-0
375x=56x×23+12=4×38X-73X=120
36×5-x=(x-4
5)=7x-25%x=105X-2
4×5=879
4+X=95