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02-10-2020
Mathematics

contestada

One-fifth of the sum of r and 7 minus the product of 9 and s

Respuesta :

02-10-2020

Step-by-step explanation:

1(r+7) - 9×s

5

again, take LCM

r+7 -5 (9s)

5

r+7-45s

5

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