Subtract 7x on both sides of the equal sign (it'll cancel out) then -3=-3 which makes a true statement.
Answer:

Step-by-step explanation:


Hope this is helpful.
Answer:
The answer to the question provided is

6 x 5 = 30
4 x 4 = 16
30 + 16 = 46
There are 46 DVDs in total.
2(4)+6
8+6
=14
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