The difference between 7 times a number and 5 is 51 which of the following equations below can be used to find the unknown number a.) 7x - 5x = 51 b.)7x + 5 = 51 c.) 7x - 5 = 51 d.) 7x * 5 = 51

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

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! :)