mariaoverway14 mariaoverway14
  • 11-07-2016
  • Mathematics
contestada

The system shown has _____ solution(s).

y = x + 1
2y - x = 6

Respuesta :

texaschic101
texaschic101 texaschic101
  • 11-07-2016
y = x + 1...so sub in x + 1 for y in the other equation

2(x + 1) - x = 6
2x + 2 - x = 6
x = 6 - 2
x = 4

y = x + 1
y = 4 + 
y = 5

one solution at (4,5)
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