rozwiąż równania: a) 3x-5 _ 5x-1
2 10 = 0
b) 2x-1 _ x-2
5 2 = 0,7x
a)
b)
a.
3x-5 5x-1
_____ - _____ = 0 /*10
2 10
15x-25-5x+1=0
10x-24=0
10x=24 /10
x=2,4
b.
2x-1 x-2
____ - ____ = 0,7x /*10
5 2
4x-2-5x+10=7x
4x-5x-7x=-10+2
-8x= -8 /(-8)
x= 1
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a)
b)
a.
3x-5 5x-1
_____ - _____ = 0 /*10
2 10
15x-25-5x+1=0
10x-24=0
10x=24 /10
x=2,4
b.
2x-1 x-2
____ - ____ = 0,7x /*10
5 2
4x-2-5x+10=7x
4x-5x-7x=-10+2
-8x= -8 /(-8)
x= 1