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 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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