10(2x)+x
21x is the original number
12x is the reversed number
24x is the reversed then doubled number
Set up an equation:
24x=21x+9
3x=9
x=3
The original number is 63 and the reversed number is 36, which then is 72 when doubled.
Answer:
Transitive property of equality
Step-by-step explanation:
Answer:
No, he will not be able to buy it.
Step-by-step explanation:
He can't buy the skateboard because even with the 20% discount the skateboard costs 44 dollars.
