richardsonrejouis5 richardsonrejouis5

18-12-2020
Mathematics

contestada

If x = a + 2b, y=2a – b, and z=.–2b , what is x – y + 2z?

Respuesta :

kasiaxjed kasiaxjed

18-12-2020

Answer:

-a-3b

Step-by-step explanation:

a+2b-2a-b+2(-2b)

-a+b-4b

-a-3b

-(a+3b)

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