KingLibra2002 KingLibra2002
  • 07-12-2016
  • Mathematics
contestada

What is the solution to the system of equations?

Use the substitution method to solve.

6=−4x+y

−5x−y=21

Respuesta :

TheKatanaMistress
TheKatanaMistress TheKatanaMistress
  • 07-12-2016
6=4x+y    -5x-y=21
y=6+4x    y=-5x-21
6+4x=-5x-21
6=-9x-21
27=-9x
-3=x
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kendalldlani
kendalldlani kendalldlani
  • 07-12-2016
x=-3, and y=-6. To show how you worked the problem, you would have to move around one of the equations, and then substitute the variable.
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