SOLUTION: Can you please help me with this problem: Solve each system of equations by using substitution 1. 2x+y=4 3x+2y=1

Algebra ->  Rational-functions -> SOLUTION: Can you please help me with this problem: Solve each system of equations by using substitution 1. 2x+y=4 3x+2y=1       Log On


   

Question 524075: Can you please help me with this problem:
Solve each system of equations by using substitution
1. 2x+y=4
3x+2y=1
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
3 x + 2 y = 1 .............1
y = 4 -2 x ---------2 y = 4 -2 x
Substitute y in (1)
3x+2( 4 -2 x ) = 1
3x+8-4x = 1
3x-4x = 1 -8
-x = -7
/ -1
x= 7
Plug the value of x in (1)
3x+2y = 1
3*7+y = 1
21 +2y = 1
2 y = -20
/ 2
y= -10
m.ananth@hotmail.ca