Question: Need a typed answer by keyboard. Solve fast please Solve the following systems of two equations in two variables by determining the inverse of the

Need a typed answer by keyboard.

Solve fast please

Solve the following systems of two equations in two variables by determining the inverse of the matrix of coefficients and then using matrix multiplication. (a) X1 + 2x2 = 7 3x1 + 5X2 = 14 (* 1, *2) = X1 + 5X2 = -2 2x1 + 9X2 = 1 (*1, *7) = (c) *1 + 3X2 = 9 2x1 + X2 = 18 (X1, *2) = (d) 2x1 + X2 = 4 4x1 + 3x2 = 6 (X1, *2) = (e) 2x 1 + 4x2 = 0 3x1 + 8X2 = -12 (x1, *2) = (f) 3x, + 9X2 = 9 2x1 + 7X, = 4 (X1, *2) =

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