7{x+2y=1
-1{7x-y=2
7×+14y=7
-7×+y=-2
15y=5
y=5/15
✨ y=1/3✨
×+2(1/3)=1
ו3+2(1/3)•3=1•3
3×+2(1)=3
3×=3-2
3×=1
✨×=1/3✨
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7{x+2y=1
-1{7x-y=2
7×+14y=7
-7×+y=-2
15y=5
y=5/15
✨ y=1/3✨
×+2(1/3)=1
ו3+2(1/3)•3=1•3
3×+2(1)=3
3×=3-2
3×=1
✨×=1/3✨
✨•Chao...•✨
✨•Angelollestuvoaquí•✨