SOLUTION: In the system of equations {2x+6y=5 {x-3y=8, one coordinate of the solution is???

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Question 316438: In the system of equations {2x+6y=5
{x-3y=8, one coordinate of the solution is???
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
1.2x%2B6y=5
2.x-3y=8
Multiply eq. 2 by 2 and add to eq. 1,
2x%2B6y%2B2x-6y=5%2B16
4x=21
highlight%28+x=21%2F4%29
.
.
.
Then use either equation to solve for y.
2x%2B6y=5
4x%2B12y=10
21%2B12y=10
12y=-11
highlight%28y=-11%2F12%29