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15.5+x÷8=55.5

15.5+x÷8=55.5 x÷8=55.5-15.5 x=40X8 x=320

4 5(2x+7)=55 5(8-x)(6-2X)=10 6 9x-8x=19 7 5X+40=100 8 36...13 2-(3x/8+1/6÷1/3)=35/2414 3.5/105=x/3315 7.5:x=24:1216 ...

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