Am nevoie de ajutor dau corona imi trebuie pana la ora 15:30 va rog rezolvati cat mai repede!! Am nevoie sa rezolv aceste ecuatii in metoda reducerii sau in metoda substitutiei, (cum vreti):
a) x-3=0
b) 2x+3=9
c) 3x-4=16
d) x+2(x-3)=6
e) 2(x+4)=8
f) x+1=2x
g) { 5x-y=22 (unde am pus 2 acolade reprezinta ca e o acolada mare care
{ 5x+3y=2 inconjoara cele 2 ecuatii de la punctele care au acolade asa)
h) { x-2y=1
{ 5x-6=10y
i) { x-1=2y
{ -8y-8=-4x | :4

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