nana132 nana132
  • 22-09-2017
  • Mathematics
contestada

can someone help am not sure how to do this -2x+3y=-10
2x+y=-14
HELP

Respuesta :

wolf1728
wolf1728 wolf1728
  • 22-09-2017
A) -2x+3y=-10
B) 2x+y=-14
Adding the equations we get
4y = -24
y = -6

Inserting y = -6 into equation B)
B) 2x -6 = -14
2x = -8
x = -4
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