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Solve the Equation for the Indicated Variable

Question 112

Multiple Choice

Solve the equation for the indicated variable. Assume that the dimensions are such that matrix multiplication and addition are possible and that inverses exist when needed:
-Solve for Y: XY + ZY = A


A) Y = (X + Z) -1 A
B) Y = X-1(A - ZY)
C) Y = X-1(A - Z)
D) Y = A(X + Z) -1

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