Given cap A is equal to the 3 by 3 matrix, row 1, column 1, negative 1 column 2, negative 2 column 3, 3 row 2, column 1, 4 column 2, 8 column 3, negative 6 row 3, column 1, 0 column 2, 1 column 3, 5 and cap b is equal to the 3 by 3 matrix, row 1, column 1, negative 5 column 2, negative 1 column 3, 6 row 2, column 1, 4 column 2, 1 column 3, 2 row 3, column 1, 0 column 2, negative 3 column 3, 2 What is cap x if cap b minus cap x is equal to cap A ?