Rozwiąż równanie:
i) 6x-5/2-7x+⅘=0
6x-7x=0+5/2-4/5
-x=5/2-4/5
-x=25/10-8/10
-x=17/10
-x=1,7/*(-1)
x=-1,7
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6x-7x=0+5/2-4/5
-x=5/2-4/5
-x=25/10-8/10
-x=17/10
-x=1,7/*(-1)
x=-1,7