Answer to Question #191352 in Linear Algebra for peter

Question #191352

Assume that A and B are matrices of the same size. Determine an expression for A if 2A − B = 5(A + 2B)

Expert's answer

Given expression is-

"2A-B=5(A+2B)\n\n\\\\[9pt]\n\n2A-B=5A+10B\n\n\\\\[9pt]\n\n3A=-11B\n\n\\\\[9pt]\n\nA=\\dfrac{-11}{3}B"

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