(5X+1)/6=(9X+1)/8-(1-X)/3 X=?
1个回答
(5X+1)/6=(9X+1)/8-(1-X)/3
4(5X+1)=3(9X+1)-8(1-X)
20x+4=27x+3-8+8x
15x=9
x=3/5=0.6
经验算,正确.
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