Question

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

Answer 1

Answer:

-4z

Step-by-step explanation:

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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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Answer 2

Answer:

-4z

Step-by-step 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.