17+x=20
3
17
100 + x = 50 + 2x
50
X+4=9
5
78 - x - x = 10
34
2+x=9
7
X + 10 - 5 = 7
2
25+x=67
42
15 + x = 8
- 7
102+x+x+x=105
1
32 + x = 15
- 17
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