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3x + 14 = 6x - 4
3x - 6x = - 4 - 14
-3x = - 18
x = 6
HP = 6
2.
7 - 5x = 35 - x
-5x + x = 35 - 7
-4x = 28
x = - 7
Hp = -7
3.
5x + 4 = 3(x - 2)
5x - 4 = 3x - 6
5x - 3x = - 6 + 4
2x = - 2
x = -1
HP = -1
4.
(x - 8) + 4 = 3 ( 2x + 7) - 9
x - 8 + 4 = 6x + 21 - 9
x - 4 = 6x +12
x - 6x = 12 + 4
- 5x = -16
x = 16/5
Hp = 16/5