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Answer:

Step-by-step explanation:
means
multiplied by itself by
times.

Hope this helps :)
Answer: B
Step-by-step explanation: Mr. Inderhees added 5 to each side of the equation for his first step to isolate the <em>x</em> term which in this case is 4x.
So when he added 5 to both sides of the equation, he got 20 = 4x.