SOLUTION: Solve each system by addition 7x - 4y = -3 x + 2y =3

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Question 374174: Solve each system by addition
7x - 4y = -3
x + 2y =3
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!

1.7x+-+4y+=+-3
2.+++x+%2B+2y+=3
Multiply eq. 2 by 2 and add to eq.1,
7x-4y%2B2x%2B4y=-3%2B6
9x=3
highlight%28x=1%2F3%29
Then use either equation to solve for y.
1%2F3%2B2y=3
1%2B6y=9
6y=8
highlight%28y=4%2F3%29