If there is no number in front of a letter, it is really number 1

Question

asked Jun 2, 2021 228k views

1 Answer

Mike Cornell · Answer 1 · 2021-06-07T10:56:42+0000

Answer: Yes, if there is no number in front of a variable(or letter, as you said), it is actually 1.

a = 1a

x^2 = 1x^2

2m + n = 0 means 2m + 1n = 0

Explanation: