Respuesta :

Answer:

-21

Step-by-step explanation:

Three times seven is twentyone but because one of the numbers are negative the answer has to be negative. Do not get confused, two negative numbers equals a positive number and a positive and a negative numbers equal a negative number.

Equation: 3×(-7)=
Answer: -21

Word Problem: In my bank I had 3 dollars but then my friends took away 7 times of what I had. How much money do I have left in my bank account?
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