missy92541 missy92541

12-11-2020
Mathematics

contestada

Combine like terms to simplify each expression.
1) -3x + 7x

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brkeann55 brkeann55

12-11-2020

Answer:

4x

Step-by-step explanation:

-3x + 7x

(-3 + 7)x

4x

Answer Link

theman453123 theman453123

12-11-2020

Answer:

4x

Step-by-step explanation:

to make it easier, remove the x:

-3+7

Add:

4

Put the X back:

4x

This method will not always work for every problem.

Answer Link

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