08-03-2020
Mathematics

contestada

Which expression is equivalent to (13r-16) + (-21r + 20)

Respuesta :

08-03-2020

Answer:

-8r + 4

Step-by-step explanation:

13r and -21r are like terms are both like terms so you can add them up ant get -8r

Same with -16 and 20 which will give you 4

_8r + 4

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