Md Nur Uddin is a student of Mathematics Discipline Of Khulna University. Now, you have to find his student ID by solving the following system of linear equations:
−3x+2y−6z5x+7y−5zx+4y−2z=6=6=8.
If the solution satisfies x+y=z, what is the value of x+y, or equivalently z?
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