Respuesta :
Answer:
−21r
Step-by-step explanation:
- Combine Like Terms:
=−r+−20r
=(−r+−20r)
=−21r
- Answer:
=−21r
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hope this helps!! <3
Answer:
−21r
Step-by-step explanation:
=−r+−20r
=(−r+−20r)
=−21r
=−21r
hope this helps!! <3