Your friend identifies the terms and like terms in the expression $3 x - 5 - 2 x + 9 x$ is your friend correct? Explain your reasoning.

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Solution

Rewrite as a sum of terms: $3 x - 5 - 2 x + 9 x$
Terms: $(3 x), (- 5), (- 2 x), (9 x)$
Like terms $(3 x), (- 2 x)$ and $(9 x)$
Hence, Terms: $(3 x), (- 5), (- 2 x), (9 x)$
Like terms $(3 x), (- 2 x)$ and $(9 x)$

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