Crystal221 Crystal221
  • 15-12-2019
  • Mathematics
contestada

-5x+4y=3

x=2y-15


Solve for y and x

Respuesta :

akiran007
akiran007 akiran007
  • 15-12-2019

Answer:

x=9, y=12

Step-by-step explanation:

-5x+4y=3 --------A

x=2y-15----------B

Putting the value of x from B in A

-5(2y-15) +4y=3

-10y+75+4y=3

-6y=3-72

-6y=-72

y=72/6= 12

Putting the value of y =12 in B

x= 2(12)-15

x= 24-15

x=9

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