Write the system of equations represented by the matrix.

{0 1 2 4]

{-2 3 6 9]

{1 0 1 3]

a:

x+2y=4

-2x-3y+69=0

x+y=3

b:

x+2y=4

-2-3y+6=9

x+y=3

c:

y+2z=4

-2x+3y+6z=9

x+z=3

d:

x+2z=4

-2x-3y+6=9

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Simplify - 16+8y+{-3}

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