Hector spent $30.45 for 2 DVDs, the sales tax was $2.85, and he didn't have a coupon. Each DVD cost the same amount. How much wo
1 answer:
You might be interested in
Answer:
x > -9
Step-by-step explanation:
The solution to the inequality is obtained as follows:
-3x -7 < 20
-3x - 7 + 7 < 20 + 7
-3x < 27
-3x/(-3) > 27/(-3)
x > -9
Notice that when you divide by a negative number, the inequality sign changes.
In the picture attached, the graph of the solution s shown. Notice that -9 is not included in the solution.
Answer:
Step-by-step explanation:
This is the Difference of Squares: .
Hope it helps!