Solve the following system of equations by matrix method: `3x+4y-5=0,\ \ x-y+3=0`

Explanation

We have given

`3x+4y-5=0`

` x-y+3=0`

We can write them in matrix from AX=B....(i)

`[(3,4),(1,-1)][(x),(y)]=[(5),(-3)]`

Determinant of matrix A,

∣A∣`=|(3,4),(1,-1)|`

`∣A∣=-3-4=-7ne0`

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