smartunicorn smartunicorn

02-03-2017
Mathematics

contestada

2x + 3y = 9
-2x + 2y = 6
The y-coordinate of the solution to the system shown is _____.
A) 3
B) 5
C) 9
D) 15

Respuesta :

Аноним Аноним

02-03-2017

The answer is A. 3, because if you solve it by elimination, that would be the answer you get.

Answer Link

alihmatar alihmatar

02-03-2017

Add the 2 equations, you get:
2x-2x+3y+2y=9+6
5y=15
y=3
So the correct answer is A

Answer Link

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