Answer:
-2x+1
Explanation:
In this, you can only add like terms. Like terms would be x and -3x or -7 and 8.
(x-3x)+(-7+8)=-2x+1
The answer is (-2x – 15)
(x – 7) – (3x + 8)
x – 7 – 3x – 8
-2x – 15
Thus, The answer is (-2x – 15)
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