Hola541 Hola541
  • 22-11-2017
  • Mathematics
contestada

Substitution

Y=-4x
X=y-15

Respuesta :

nawal712291 nawal712291
  • 22-11-2017
Answer: (-3,-4x)

Solve for the first variable in one of the equations, then substitute the results into the other equation.
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