Ansh S. answered • 04/07/20
Tutor
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If you break the sentence down when they say difference they mean subtraction so this tells you that you will have to subtract. Then it says "of ten and a number" because it says "a number" it can be any number so we can represent that as a "variable" by using a letter majority of the time people use x or n. So the equation can be written as "10-x" where x is "a number" and subtraction signifies difference.
