jaianawill08 jaianawill08

21-12-2021
Mathematics

contestada

0.8 + s = 9(0.2s + 0.8) ; s =

Respuesta :

jimrgrant1 jimrgrant1

21-12-2021

Answer:

s = - 8

Step-by-step explanation:

0.8 + s = 9(0.2s + 0.8) ← distribute parenthesis by 9

0.8 + s = 1.8s + 7.2 (subtract s from both sides )

0.8 = 0.8s + 7.2 ( subtract 7.2 from both sides )

- 6.4 = 0.8s ( divide both sides by 0.8 )

- 8 = s

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