troller379 troller379
  • 05-06-2017
  • Mathematics
contestada

which order pair is not the solution of the equation 2x+y=3

a.-4,7
b.-1,5
c.6,-9

Respuesta :

irspow
irspow irspow
  • 05-06-2017
y=3-2x

a.  7=3-2(-4), 7=3+8, 7!=11

b.  5=3-2(-1), 5=3+2, 5=5

c.  -9=3-2(6), -9=3-12, -9=-9

So a. is not an ordered pair of 2x+y=3
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