willieyancey willieyancey
  • 31-10-2019
  • Mathematics
contestada

write an equivalent expression for 7a+21

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elliottou
elliottou elliottou
  • 31-10-2019

Answer:

7(a+3)

Step-by-step explanation:

hopefully you can find that 7 is a multiple of both 7a and 21. we can drag this factor of 7 out and divide all the multiples by 7 then multiply the total by 7 (what i did to get the answer)

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