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Alinionut10
a fost răspuns

rezolvati ecuatia x+2=x+5
'' ----- ----- linie de fractie
x-2 x-1

Răspuns :

Miky93
x+2/x-2=x+5/x-1
(x+2)(x-1)=(x+5)(x-2)
x²-x+2x-2=x²-2x+5x-10 se simplifica x²
x-2=3x-10
x-3x=-10+2
-2x=-8
2x=8
x=4

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