Rozwiąż równania :
a) 2/x = 3/x-1
b) 4/x+1 = 5x
c) 3/5 = 2x-1/2-5x
d) 1/z-1 = 6,5/8
e) 2x-5/3 = 4/5
np. 3/x to jest ułamek ^ ^
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a)
2x= 3x - 1
2x - 3x= -1
-1x/:1 = -1
x= 1
b)
4x + 1 = 5x
4x - 5x= -1
-1x = 1/:-1
x= -1