SOLUTION: I tried using your solver for this problem but couldn't imput it correctly can you please help Use substitution to solve x = 3y - 2 2x + 4y =16

Algebra ->  Coordinate Systems and Linear Equations -> SOLUTION: I tried using your solver for this problem but couldn't imput it correctly can you please help Use substitution to solve x = 3y - 2 2x + 4y =16       Log On


   

Question 59765This question is from textbook Alegbra concepts and applications
: I tried using your solver for this problem but couldn't imput it correctly can you please help
Use substitution to solve
x = 3y - 2
2x + 4y =16
This question is from textbook Alegbra concepts and applications

Answer by Cintchr(481) About Me  (Show Source):
You can put this solution on YOUR website!
1. +x+=+3y+-+2+
2. +2x+%2B+4y+=16+
Substitute equation 1 into equation 2
+2%283y-2%29+%2B+4y+=+16+
Distribute
+6y+-+4+%2B+4y+=+16+
combine like terms
+10y+-+4+=+16+
add 4 to both sides
+10y+=+20+
divide by 10
+y+=+2+

Substitute y=2 back into equation number one
+x+=+3y+-+2+
+x+=+3%282%29+-2+
+x+=+6+-+2+
+x+=+4+

Your solution is
(4,2)