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Ajutati-ma va rog cu ecuatia aceasta : x+71=3x+19+2x-28
Dau 13 puncte si coronita !!!


Răspuns :

x+71=3x+19+2x-28
x-3x-2x=19-28-71
-4x=-80
x=20
x+71 = 3x+19+2x-28
x+71=(3x+2x) + 19+28
x+71= 5x+47
6x=71-47
6x=24
x=24:6
x=4