Judging by the question you have provided I came to the conclusion that you have already solved your own problem!
If the goal is to find X when X=-15 then your answer for X should be -15!
If this is not the entire equation please post the entire one!
Hope this helped!
-Blake
Answer:
Christopher Columbus
Step-by-step explanation:
According to the hystoriartors:
Christopher Columbus
Answer:
what is the question
Step-by-step explanation:
Answer:
13+x
Step-by-step explanation:
all you have to do is 9+4 which is 13 and leave the +x so you get 13+x as your answer