Question

Combine the like terms to create an equivalent expression:−3z−z

Answer 1

-4z

Explanation:

-3z-z

On combining like terms,

= -4z

• Here,the terms are -3z and -z, where - and - combines and + is the result,so we need to add the expression.

Answer 2

-4z

Explanation:

Hi student! Let me help you out.

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Note that, -3z and -z are like terms. This means we can combine them right off the bat, which gives us
`\mathrm{-4z}`.

`\mathrm{-3z-z=-4z}`. -4z is our final answer.

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