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2x(x - 1)= 2(x-1)(x+3)
x=1
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Okay!
-7(x +2) +4= -3x
x= -2,5
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Okay!
-4( 1/2x -2) -4 = 2( -x +2)
równanie tożsamościowe
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2x + 17 = 26 - x
x=3
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Okay!
11 - x = 3x + 8
x= 3/4
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Okay!
(3x+2)(2x+1)=(6x-3)(x+1)
x= -5/4
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Okay!
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