Answer:
1 - 9/7n
Step-by-step explanation:
1/7 - 3 ( 3/7n - 2/7)
Multiple negative 3 in the numbers with parenthesis.
1/7 - 9/7n + 6/7
Combine terms.
1/7 + 6/7 = 7/7 which can be turned into a whole number so 1.
-9/7n cannot be added into anything.
1 - 9/7n
