document.write( "Question 1049495: Good afternoon. Kindly help me solve this problem:
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\n" ); document.write( "in the following equations:
\n" ); document.write( "a. 3x + 2A = B
\n" ); document.write( "b. x - 3A + 2B = 0
\n" ); document.write( "c. 6x - 4A - 3B = 0
\n" ); document.write( "...your help is so much appreciated..thank you..
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Algebra.Com's Answer #665053 by Edwin McCravy(20060) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "I'll just do (c). \r\n" );
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document.write( "Get the x-term on the left just like you would \r\n" );
document.write( "in any ordinary equation:\r\n" );
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document.write( "Add 4A and 3B to both sides:\r\n" );
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document.write( "Don't divide by 6 yet.  We'll do that at the end.\r\n" );
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document.write( "Substitute the matrices for A and B in that equation:\r\n" );
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document.write( "Distribute the 4 and the 3 into all 6 elements\r\n" );
document.write( "(numbers) in each matrix:\r\n" );
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document.write( "Simplify:\r\n" );
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document.write( "Add corresponding elements in the two matrices:\r\n" );
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document.write( "Simplify:\r\n" );
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document.write( "Divide both sides (every element in the matrix) by 6:\r\n" );
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document.write( "Simplify\r\n" );
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document.write( "It's not all that different from solving ordinary equations.\r\n" );
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document.write( "Edwin

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