Răspuns :
2x+3y=-4|-3⇒-6x-9y=12
3x-2y=7 |2 6x-4y=14⇒-13y=26⇒y=26|-13 ⇒y=-2
2x-6=-4⇒2x=6-4⇒2x=2⇒x=2|2⇒x=1
x=1
y=-2
succes
3x-2y=7 |2 6x-4y=14⇒-13y=26⇒y=26|-13 ⇒y=-2
2x-6=-4⇒2x=6-4⇒2x=2⇒x=2|2⇒x=1
x=1
y=-2
succes