Question

Explain why the equations X - 13 = 4 and 13 - X = 4 do NOT have the same solution.

Answer 1

they have different answers

Explanation:

X - 13 = 4 and 13 - X = 4

for x- 13 = 4

x=4+13=17

x=17

for 13 - x = 4

13-4-x=0

9-x=0

9=x

x=9