Seudónimo Seudónimo

25-04-2022
Mathematics

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Solve |2x+5| =15

Need help please!!!

Solve 2x5 15 Need help please class=

Respuesta :

Alanacares Alanacares

25-04-2022

Answer:

applying absolute law

if |u|=a, a>0 then u=a or u=-a

2x+5=15 or 2x+5=-15

2x=15-5 or 2x=-15-5

2x=10 or 2x=-20

x=5 or x= -10

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