document.write( "Question 1154267: 
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document.write( "a = [ 6  5]\r\n" );
document.write( "    [-5 -5] and \r\n" );
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document.write( "b = [ 5   0] \r\n" );
document.write( "    [-5  -1]\r\n" );
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document.write( "a. a + b\r\n" );
document.write( "b. 5a\r\n" );
document.write( "c. 3a - 2b\r\n" );
document.write( "d. ab
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Algebra.Com's Answer #776831 by ikleyn(52777)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "To add matrices, add their elements in each cell.  \r\n" );
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document.write( "    Do it cell by cell, for each and every cell.\r\n" );
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document.write( "To subtract matrices, subtract their elements in each cell.  \r\n" );
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document.write( "    Do it cell by cell, for each and every cell.\r\n" );
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document.write( "To multiply a matrix by a number, multiply each element of the matrix in its cell by the number.\r\n" );
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document.write( "    Do it cell by cell, for each and every cell.\r\n" );
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