alejandra08022 alejandra08022
  • 22-03-2021
  • Mathematics
contestada

Solve the system of equations by substitution x+y=4 y=3x

Respuesta :

sept7577
sept7577 sept7577
  • 22-03-2021

Answer:

x=1

Step-by-step explanation:

x+y=4

replace y with 3x

x+3x=4

then add the x which is 1x plus 3x

4x=4

then divide 4 on both sides

4x/4=4/4

and your answer is 1

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