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Verified Answer :

The answer is B. monomial.

7x + 3x - x = 10x - x = 9x

There is only one term (9x), so the polynomial is actually monomial (mono- = one)

Answer:

(B) Monomial

Step-by-step explanation:

The given polynomial is:

\(7x+3x-x\)

Upon solving the above p[polynomial by combining the like terms, we have

=\(10x-x\)

=\(9x\)

Now, A monomial is an algebraic expression consisting of one term., therefore by the definition of monomial, the above given polynomial is a monomial.

Therefore, option (B) is correct.