alinasiruddin02
alinasiruddin02 alinasiruddin02
  • 10-08-2017
  • Mathematics
contestada

Find the solution set by using the method of equating the coefficients.
2x - 3y = 6

3x + 5y = 0

Respuesta :

wytas wytas
  • 10-08-2017
[tex] \left \{ {{2x-3y=6} \atop {3x+5y=0}} \right. \\ \left \{ {{2x=6+3y} \atop {3x+5y=0}} \right. \\ \\ x=3+1,5y \\ 3(3+1,5y)+5y=0 \\ 9+ \frac{9}{2} y+5y=0 \\ \frac{19}{2} y=-9 \\ y=- \frac{18}{19} \\ x=3+1,5*(-\frac{18}{19} )= \frac{30}{19} \\ [/tex]
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