maddie4713
maddie4713
14-01-2016
Mathematics
contestada
{y=-3x. {2x-3y=22. Solve
Respuesta :
Billymkhoi
Billymkhoi
14-01-2016
Plug y= -3x in 2x-3y= 22, we have:
2x -3(-3x)= 22
⇒ 2x+ 9x= 22
⇒ 11x= 22
⇒ x= 22/11
⇒ x= 2
y= -3x= -3*2= -6
Final answer: x=2, y=-6
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