Arithmetic Operation of Matrices

Algebra Level 1

Suppose that xx and yy satisfy the following equation:

(xy21)(x0yx)=2(106x30)+(52x4x).\left(\begin{array}{cc}x& y \\2&1 \end{array}\right)\left(\begin{array}{cc}x&0 \\y& x \end{array}\right)=2\left(\begin{array}{cc}10&6-x \\3&0 \end{array}\right)+\left(\begin{array}{cc}5&2x \\4& x \end{array}\right).

Evaluate x+y.x+y.

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