SOLUTION: 3x1+3x2=1;6x1+2x2=6

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Question 894318: 3x1+3x2=1;6x1+2x2=6
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
3x%5B1%5D%2B3x%5B2%5D=1
6x%5B1%5D%2B2x%5B2%5D=6
Multiply eq. 1 by -2 and add to eq. 2,
-6x%5B1%5D-6x%5B2%5D%2B6x%5B1%5D%2B2x%5B2%5D=-2%2B6
-4x%5B2%5D=4
x%5B2%5D=-1
Then,
3x%5B1%5D-3=1
3x%5B1%5D=4
x%5B1%5D=4%2F3