ngmuncy2
ngmuncy2 ngmuncy2
  • 01-07-2017
  • Mathematics
contestada

Solve this system of equations: 2x - y = 7 5x + y = 21

Respuesta :

sferguson sferguson
  • 01-07-2017
7x= 28 so x is 4 and y is 1.. So (4,1)
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