Which property is shown in the matrix addition? the 4 by 1 matrix, row 1, column 1, 5 row 2, column 1, negative 7 row 3, column 1, 6 point 2 row 4, column 1, 12 plus open paren the 4 by 1 matrix, row 1, column 1, negative 1 row 2, column 1, 0 point 4 row 3, column 1, negative 9 point 9 row 4, column 1, 0 plus the 4 by 1 matrix, row 1, column 1, 0 row 2, column 1, 0 row 3, column 1, negative 8 point 5 row 4, column 1, 2 close paren is equal to open paren the 4 by 1 matrix, row 1, column 1, 5 row 2, column 1, negative 7 row 3, column 1, 6 point 2 row 4, column 1, 12 plus the 4 by 1 matrix, row 1, column 1, negative 1 row 2, column 1, 0 point 4 row 3, column 1, negative 9 point 9 row 4, column 1, 0 close paren plus the 4 by 1 matrix, row 1, column 1, 0 row 2, column 1, 0 row 3, column 1, negative 8 point 5 row 4, column 1, 2