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x-=6 12x-8x= = x-=
91÷x= X+= 3x-8=16 7(x-2)=2x+3
3x+9=27 18(x-2)=270 12x=300-4x 7x+=
30÷x+25=85 ×8-2x=6 410-3x=170 x+2x+18=78
(200-x)÷5=30 3(x+)=21 +8=43 6x-3x=18
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÷x= (x-140)÷70=4 = 9x-40=5
x÷5+9=21 48-27+5x=31 +x+21=56 (x+6)=×
4(x-)= 7(+x)= (-)÷x=4 (+x)+x=÷2
2(X+X+)= 25000+x=6x 3200=450+5X+X X-=6
12x-8x= ·2X=15 = x+=
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x-= 91÷x = X+= 15x=3
3x-8=16 7(x-2)=2x+3 3x+9=27 18(x-2)=270
12x=300-4x 7x+= 3x÷5= 30÷x+25=85
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