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algol [13]
3 years ago
12

The difference between 7 times a number and 5 is 51 which of the following equations below can be used to find the unknown numbe

r
A.) 7x - 5x = 51

B.)7x + 5 = 51

C.) 7x - 5 = 51

D.) 7x * 5 = 51
Mathematics
2 answers:
Nataly [62]3 years ago
4 0
Here are some helpful word problem terms:

x= a number

times= multiplication

7 times a number= 7x

difference= subtraction

difference between 7 times a number and 5= 7x - 5

is= equal sign


ANSWER: (C) 7x - 5= 51 is the answer because 5 was not multiplied by the number (x) too.

Hope this helps! :)
Sloan [31]3 years ago
3 0
C, I think

difference(subtract) between 7 times a number(7 multiplied by a unknown number) AND 5(other number to subtractoon is(= to) 51
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