3 years ago

What is the y-coordinate for the solution to the system of equations? {−x+3y=9 {y=2/3x

Mathematics

1 answer:

shusha [124]3 years ago

7 0

Answer:

y = 6

Step-by-step explanation:

3 y - x = 9

y = (2 x)/3

Substitute y = (2 x)/3 into the first equation:

{x = 9

y = (2 x)/3

Substitute x = 9 into the second equation:

Answer:

x = 9

y = 6

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