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Matrix equations: addition & subtraction

Solve for XX.
X[854392012]=[41212701822]X-\left[\begin{array}{rr}8 & -5 & 4 \\ 3 & -9 & 2 \\0 &1 &-2\end{array}\right]=\left[\begin{array}{rr}4 & 12 & -12 \\ 7 & 0 & -1 \\8 &2 &2\end{array}\right]
X=X=