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3-4x/x+2=0 |*x+2
3-4x=0
-4x=3
x=¾
b)
1+5x/2x-3 -3=0|*2x-3
1+5x-3=0
5x-2=0
5x=2
x=⅖
c)
2-x/x2-1=0|*x2
2-x-1=0
-x=1
x=-1
d)
x2-3/x2-5x+6=0|*x2
x2-3-5x+6=0
-3x=3
x=-3
e)
5/x-8=4x/x2-64 |*2x-64
10=4x
x=⅖
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