Studyup11 Studyup11
  • 09-03-2017
  • Mathematics
contestada

Solve the following equation system by graphing
X-Y=4
X+Y=2
What is the solution?

Respuesta :

Аноним Аноним
  • 09-03-2017
X-Y=4, 
X+Y=2 
-------------add
2x = 6
x = 3

X - Y =4
3 - Y = 4
Y = 3 - 4
Y = -1

solution (3 , -1)
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