Question

What is answer to x+10=-13  what does x equal

Answer 1

x + 10 = -13 (original problem)
-10 -10 (subtract 10 from each side)
The 10 - 10 equals 0 so it cancels out of the problem.
x = -23 <- (-13 - 10 = -23)

Answer 2

x + 10 = -13
-13 - 10 = x
-23 = x

CHECK

-23 + 10 = -13
-13 = -13!