Answer:
Step-by-step explanation:
Multiply 3 with 7.
3 * 7 = 21
The value of the gift card changed by -$21 dollars.
x+3x+3x=21
7x=21
x=3
3, 9, 9=21
the answers are 3, 9, and 9
Answer:
the inverse would be x-2
Step-by-step explanation:
8.16 in
20% of 10.2 is 2.04
10.0-2.04 is 8.16 in
