Posted by **SaRa** on Tuesday, September 20, 2011 at 6:15pm.

how do you solve this by substitution:

step by step

1. 5x-y=16

5x+2y=13

2. 3x-3y=9

2x-4y=-16

3. x=-6y

y=2/3x+5

thank you!

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