Solve the system of linear equations using the Gauss-Jordan elimination method.
x - 2y = 8
3x + 4y = 4
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x - 2y = 8 (i)
3x + 4y = 4 (ii)
We modify the first equation by multiplying through with 3 to get 3x - 6y =24
Then we add the modified equation (i) to equation (ii) to eliminate x terms
3x - 6y =24
Replace y in equation (i)
x-(-2)2 = 8
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