15 POINTS IF YOU SOLVE 2x + 3y = 9 -2x + 2y = 6 The y-coordinate of the solution to the system shown is _____. 3 5 9 15

asked Nov 5, 2017 150k views

4 votes

15 POINTS IF YOU SOLVE

2x + 3y = 9 -2x + 2y = 6 The y-coordinate of the solution to the system shown is _____.

3
5
9
15

8.2k points

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3 votes

2x + 3y = 9 - 2x + 2y = 6
2x + 2x + 3y = 9 + 2y = 6
4x + 3y + 2y = 9 - 6
4x + 5y = 3
Answer = 3

Gthanop answered Nov 7, 2017

8.9k points

4 votes

2x + 3y = 9
-2x + 2y = 6
-------------------add
5y = 15
y = 3

answer is 3

8.2k points

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