(x-1)/(x-3)=-(x+3)/5
5(x-1)=-(x+3)(x-3)
x^2+5x-14=0
(x+7)(x-2)=0
x+7=0
x1=-7
x-2=0
x2=2
当X等于什么数时,X-x-1/3的值与7-x 3/5的值相等
当X等于什么数时,X-x-1/3的值与7-x 3/5的值相等
数学人气:297 ℃时间:2020-01-31 21:46:05
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