The initial expression is:
4x + 16 - x = 22 + 6
Adding similar terms, we get:
3x + 16 = 28
Subtracting 16 on both sides:
3x + 16 - 16 = 28 - 16
3x = 12
Dividing by 3 on both sides:
3x/3 = 12/3
x = 4
Answer: A. x = 4
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