Which of the following is not a literal equation? a. x = y + 3 b. x^2 + y^2=z^2 c. n+n=10 d. a/b =1

A/b = 1 would not be a literal equation

if the solution to a  number divided by a number is one then the two numbers would have to be the same

example: 5/5=1 

"a" and "b" are two different numbers so it would be impossible for the solution to equal one
 

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