Question

2n + 5 = n - 7

Solution: ?

Answer 1

n = -12

Explanation:

2n + 5 = n - 7 subtract 5 from both sides

2n + 5 - 5 = n - 7 - 5

2n = n - 12 subtract n from both sides

2n - n = n - n - 12

n = -12