Question

Select each expression that is equivalent to7x - 42. will send image

Answer 1

`7x-42=7(x-6)`

Let's check every expression:

`\begin{gathered} 7(x-42)\\e7(x-6) \\ \end{gathered}`

This expression is not equivalent.

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`7(x-6)=7(x-6)`

This expression is equivalent

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`(4+3)x-42=(7)x-42=7x-42`

This expression is equivalent

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`\begin{gathered} 8(x-42)-(x-42) \\ 8x-336-x+42=7x-294\\e7x-42 \end{gathered}`

This expression is not equivalent