Asked by mayra

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.
Answered by drwls
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
Answered by Melanie
(3y-1) + 2y = 9
5y - 1 = 9
5y = 10
y=2

x=3(2)-1
x=5

(5,2)
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