irelanddecker irelanddecker

27-08-2021
Mathematics

contestada

Solve for w.
|5w + 7) = |5w + 8)

please help :)

Solve for w 5w 7 5w 8 please help class=

Respuesta :

bermatematikacom bermatematikacom

29-08-2021

Answer:

w=3/2

Step-by-step explanation:

[tex]|5w+7|=|5w+8|\\5w + 7 =\pm (5w+8)\\5w + 7 = 5w + 8 \text{ or } 5w + 7 = -5w-8\\7 = 8 (\text{abusrd}) \text{ or } 10 w =15\\w= 15/10 = 3/2.[/tex]

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