Answer:

Step-by-step explanation:
Given:



(segment addition postulate)
(substitution)
Solve for x
Collect like terms
Divide both sides by -1

Plug in the value of x



Step-by-step explanation:
Buy 2 get 1 free only makes you want to spend more.
And the buy 2 get 1 free is a tempting deal that most people can't resist.
Answer:(x,y) x+5,y-3)
Step-by-step explanation: tea
1. Add 4 to both sides of the equation
2. Simplify
3. Divide both sides of the equation by 5
4. Simplify
5. x= 5