Równania wprost i odwrotnie proporcjonalne
a) 3/x-2 = 4/2x+1
b) 2/3 = 3x + 2/ 2x-2
c)6x-1/x+1 = 2,3/1,2
d) -x/ 3x - 1 = 2x/ 1-6x
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X2=3/2-4/2+1
x2=3/2-4/3
x2=1/6 /:x
x=1/3