Question

How do you solve 13-2n=19

Answer 1

See step by step:

 13-2n=19
- 2n = 19 - 13
- 2n = 6
n = -6/2
n = -3

Answer 2

13 - 2n = 19
-2n = 19 - 13
-2n = 6
2n = -6
n = -3

CHECK:

13 - -6 = 19
negative and negative makes positive:
13 + 6 = 19
19 = 19!