Answer: n = 4
Explanation:
1. Distribute on the right side of the equation
-2(1-7n) = -2 + 14n
2. Subtract 5n from each side
5n + 34 = -2 + 14n
34 = -2 + 9n
3. Add 2 to each side
34 = -2 + 9n
36 = 9n
4. Divide each side by 9 to isolate the variable n
36 = 9n
4 = n