Divide everything by 4 getting:
7y=3x+21
then get all of the variables on one side by subtracting 3x:
7y-3x=21
Answer:
Ans =C(4,1),(-4,1),(4,6),(-4,6)
20x^4-39x^3-16x
Make sure to multiply all the terms by each other in the two parentheses
$12.80
Explanation:
3=$2.40 3\2.40 =0.80 0.80 • 16 = $12.80
A television used to cost $9,000 and today it costs
$500 less, what is the percentage of
discount?
Percentage discount: 5 5/9 percent