rozwiąż równanie
7-3x/2x+1=-1
zał.
2x+1≠0
2x≠-1
x≠-1/2
7-3x/2x+1=-1 /*(2x+1)
7-3x=-1(2x+1)
7-3x=-2x-1
-3x+2x=-1-7
-x=-8
x=8
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zał.
2x+1≠0
2x≠-1
x≠-1/2
7-3x/2x+1=-1 /*(2x+1)
7-3x=-1(2x+1)
7-3x=-2x-1
-3x+2x=-1-7
-x=-8
x=8