{x+y=7
{x-y=3
so we add them together
x+y+(x-y)=3+7
x+y+x-y=10 and the y cancel each other out and we are left with
x+x=10 and x=5
so if we know that x+y is equal to 7 and x is equal to 5,so y=2answer
2025-03-09 16:22:41
1
Maxi :
2
2025-03-09 16:18:27
1
FBI*BIsCuTsSs :
2
2025-03-09 07:13:24
1
nguyentuananh29072012 :
x+y=7,y-x=3 -> hieght of tower: 5, hieght of him: 2
2025-03-08 14:15:25
1
andergamer_671 :
2
2025-03-07 15:49:02
1
Phantom :
2 facilísimo verdad 🙂
2025-03-07 14:19:59
1
이기쁨 :
2
2025-03-07 08:29:08
1
unfav_tetsu :
2
2025-03-05 13:17:42
1
André :
2
2025-03-05 03:30:29
1
Glythify Science :
💬 Got a better solution or challenging problem? Share it in the comments 🧠👇
2025-03-05 01:17:12
1
Nottway :
simply the easiest task in the part that is covered in the 5th class
2025-03-11 13:16:21
0
(wnewsuz) :
2
2025-07-21 15:47:27
0
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