Respuesta :

Space

Answer:

5x + 2y + 5z

Step-by-step explanation:

Step 1: Write out expression

3x + 4y + 5z + 2x - 2y

Step 2: Combine like terms (x)

5x + 4y + 5z - 2y

Step 3: Combine like terms (y)

5x + 2y + 5z

Sharkky
The answer is 5x+2y+5z

That’s the answer because:
You have to combine like terms to simplify so do:
3x+2x=5x
4y+-2y=2y
5z is the only z variable
So you get
5x+2y+5z

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good job