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# Given A = [(1, 1),(-2, 0)] and B = [(2, -1),(1, 1)] Solve for Matrix X: X + 2a = B - ICSE Class 10 - Mathematics

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ConceptAddition and Subtraction of Matrices

#### Question

Given A = [(1, 1),(-2, 0)] and B = [(2, -1),(1, 1)]

Solve for matrix X:

X + 2A = B

#### Solution

X + 2A = B

X = B - 2A

X = [(2, -1),(1,1)] - 2[(1, 1),(-2, 0)]

X = [(2, -1),(1, 1)] - [(2,2),(-4, 0)]

X = [(0, -3),(5, 1)]

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Solution Given A = [(1, 1),(-2, 0)] and B = [(2, -1),(1, 1)] Solve for Matrix X: X + 2a = B Concept: Addition and Subtraction of Matrices.
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