LaurenN14
LaurenN14
07-11-2016
Mathematics
contestada
can someone tell me how to solve this
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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