hfanaika hfanaika
  • 02-07-2017
  • Mathematics
contestada

Solve
p=3r-8 and 2r-p=22

Respuesta :

ARYANAGARWAL ARYANAGARWAL
  • 02-07-2017
3r-p=8 ........... 1
2r-p=22 .......... 2

Subtracting both the equation we get,
r = -14

Substituting 'r = -14' in any one equation (lets say equation 1) we get,
3(-14) - p = 8
-42 - p = 8
-42 - 8 = p
p = -50
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