August 2018 2 24 Report
Sprawdź, czy podana liczba spełnia dane równanie:

a) 2(a +1) - 3(a - 5) = 7a a = 2
b) 3x(x - 5) = (x-2)(3x-3) x= -1
c)3/5x - (7/9x-¼) = 2-(x+3)/4 x=O

/ = kreska ułamoowa bo nie ma takich ułamków ;)
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