Posted by **mayra** on Wednesday, February 11, 2009 at 5:18pm.

my question is this how do you solve this equation?

x=3y-1

x+2y=9

solve each system of equation by the substitution method.

- algebra -
**drwls**, Wednesday, February 11, 2009 at 7:21pm
Substitute 3y -1 for x in the second equation, and solve the resulting equation for y

3y -1 + 2y = 9

which leads to

5y = 10

Take it from there

- algebra -
**Melanie**, Saturday, October 27, 2012 at 1:43pm
(3y-1) + 2y = 9

5y - 1 = 9

5y = 10

y=2

x=3(2)-1

x=5

(5,2)

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