Answer:
x = 7
Step-by-step explanation:
move all terms that don't contain x to the right side and solve :)
Answer:
its a
Step-by-step explanation:
Ive had this question before
Answer:
If he includes himself then:
Split up the cookies into 4 equal parts.

3.75 cookies each if he includes himself.
If he does not include himself:
Split up the cookies into 3 equal parts

5 cookies each if he shares to his friends without including himself.
See attached for the work