Answer:
O A. 
Step-by-step explanation:




Since two -x's are being used, x becomes positive!
2 = 1 + 1
2 = 2
Solution: (-1, 2)
Plz mark me as brainliest if this helped :)
It's the bottom one. 20 dollars has to be less than or equal to the amount. you cannot spend more than $20