Can’t combine different size matrices.

Add the corresponding elements of to each element of .

Simplify .

Simplify .

Simplify .

Simplify .

Simplify [[-9,4],[7,-5]]+[[-9,1],[8,-9]]

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# Simplify [[-9,4],[7,-5]]+[[-9,1],[8,-9]]

Can’t combine different size matrices.

Add the corresponding elements of to each element of .

Simplify .

Simplify .

Simplify .

Simplify .

Simplify [[-9,4],[7,-5]]+[[-9,1],[8,-9]]