jorgezamora404 jorgezamora404

28-09-2020
Mathematics

contestada

Solve the system of equations using substitution.
3x + y = 12
y = 3x

Respuesta :

tasni11 tasni11

28-09-2020

Answer:

y=3x⇒equation 1

substitute equation 1 in 3x+y=12

3x+3x=12

6x=12

x=12/6

x=2

hope it helps u!

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