valevilchez valevilchez

14-12-2019
Mathematics

contestada

What is the value of y in the following system?
y = 3x - 5

6x + 3y = 15

Respuesta :

Yang100 Yang100

14-12-2019

Answer:

x=2, y=1. (2, 1).

Step-by-step explanation:

y=3x-5

6x+3y=15

----------------

6x+3(3x-5)=15

6x+9x-15=15

15x-15=15

15x=15+15

15x=30

x=30/15

x=2

y=3(2)-5

y=6-5=1

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