Answer:
or 8.944
Step-by-step explanation:

Simplify

Square root both sides to get x by itself

or 8.944
Answer:2.97
Step-by-step explanation:
Answer:
Step-by-step explanation:
18x + 9 = -3x + 13
21x + 9 = 13
21x = 4
x = 4/21
the answer is... it might be tricky but the answer is
Answer:
$12, 14%
Step-by-step explanation:
Find the amount of discount:
84 - 72 = 12
Find the amount of discount as a percentage
12 / 84 = 0.1428