aracelidelt97 aracelidelt97
  • 18-10-2018
  • Mathematics
contestada

y=2x-3
x+y=12







help me pls

y2x3xy12help me pls class=

Respuesta :

altavistard
altavistard altavistard
  • 19-10-2018

Answer:

(5,7)

Step-by-step explanation:

Substitute 2x-3 for y in the 2nd equation, obtaining:  x + 2x - 3 = 12.  Then 3x = 15, and x = 5.  Subbing 5 for x in the 1st equation results in:  y = 2(5) - 3 = 7.  The solution is therefore (5,7).


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