Answer:
1. 3x = 54
x = 18
2. x - 20 = 48
x = 68
3. x + 78 = 100
x = 22
4. x + 4 = 66
x = 62
5. n/9 = 6
n = 54
6. 3x = 81
x = 27
7. x - 16 = 52
8. x + 22 = 59
x = 37
9. x + 8 = 41
x = 33
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Answer:
1. 3x = 54
x = 18
2. x - 20 = 48
x = 68
3. x + 78 = 100
x = 22
4. x + 4 = 66
x = 62
5. n/9 = 6
n = 54
6. 3x = 81
x = 27
7. x - 16 = 52
x = 68
8. x + 22 = 59
x = 37
9. x + 8 = 41
x = 33