kamerencrazy kamerencrazy

13-06-2018
Mathematics

contestada

Solve – 7 = √ 2x – 9 A. x = –5,2 B. x = 2 C. x = 1 D. x = –1

Respuesta :

queenshams queenshams

13-06-2018

Add 9 to both sides
9-7=√2x
2=√2x
Square both sides
4=2x
Divide both sides by 2

B. x = 2
Hope this helps :)

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