Posted by mayra on Wednesday, February 11, 2009 at 5:18pm.
my question is this how do you solve this equation?
x=3y1
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
(3y1) + 2y = 9
5y  1 = 9
5y = 10
y=2
x=3(2)1
x=5
(5,2)
Answer This Question
Related Questions
 Substitution MethodPlz help  Use the Substitution method to solve the system ...
 algebra 2  If you were to use the substitution method to solve the following ...
 Algebra 2  If you were to use the substitution method to solve the following ...
 subsitution method  Can some one show me how to use the Substitution method to ...
 ALGEBRA 1!PLZ HELP!  Use the Substitution method to solve the system of ...
 Algebra 1  What is an equation of a line perpendicular to the line with ...
 algebra  use method of substitution to solve the system of linear equation 3x+...
 Linear Equations  Can you please help solve this equation using the ...
 Algebra Multiple Choice  Hello, This is the last of questions I have for my ...
 Algebra  Explain how you can determine from the graph of a system of two linear...
More Related Questions