SOLUTION: Chapter The Elimination Method -4x+3y=-1 8x+6y=10

Algebra ->  Expressions-with-variables -> SOLUTION: Chapter The Elimination Method -4x+3y=-1 8x+6y=10      Log On


   

Question 74371: Chapter The Elimination Method
-4x+3y=-1
8x+6y=10
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
If you multiply 2 by the first equation and add the 2 equations together, you can eliminate x.

-8x%2B6y=-2
+8x%2B6y=10
----------------
0x%2B12y=8
Now we can solve for y
12y=8
y=8%2F12=2%2F3
Use this to find x.
8x%2B6%282%2F3%29=10
8x%2B4=10
8x=10-4
8x=6
x=6%2F8=3%2F4
So our solution is (3/4,2/3)