Answer:
5x + 12
Explanation:
7x − (2x − 7) − (−6 + 1)
Distribute the Negative Sign
7x − (2x − 7) + −1(−6 + 1)
7x + −2x + 7 + (−1)(−6) + (−1)(1)
7x + −2x + 7 + 6 + −1
Combine Like Terms
(7x + −2x) + (7 + 6 + −1)
= 5x + 12
