Answer:
7x + 2
Explanation:
5-4 +7x +1
= 7x+1+5-4
= 7x + 2
Answer: 7, 2 in order.
We can combine like terms.
5 - 4 + 1 = 2.
Therefore, 5 - 4 + 7x +1 = 7x + 2.
Thus, the blanks are 7, 2 in order.
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