(1+5%)X-0.95X=8500,怎么算?
(1+5%)X-0.95X=8500解 1.05X-0.95X=85000.1X=8500X=85000
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1.05x-0.95x=85000.1x=8500x=x=85000
(1+5%)X-0.95X=8500
X+(0.05X-0.95X)=8500
X-0.9X=8500
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