LaurenN14 LaurenN14
  • 07-11-2016
  • Mathematics
contestada

can someone tell me how to solve this

can someone tell me how to solve this class=

Respuesta :

Аноним Аноним
  • 10-11-2016

xy = 18

y=2x

substitute value of y in above equation;

x(2x) = 18

2x²=18

x²=9

x=3

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