document.write( "Question 819366: Hi, my name is Keneshia and hopefully you can help me with this matrice problem.\r
\n" ); document.write( "\n" ); document.write( "4x1-x2+2x3=3
\n" ); document.write( "-4x1+x2-3x3=-10
\n" ); document.write( "8x1-2x2+9x3=-1\r
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Algebra.Com's Answer #493056 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "  |Adding first 2 EQ, 
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document.write( "  |Multiplying 2nd EQ by 2 and adding to 3rd EQ
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document.write( " 7 ≠  -7   no solution                                                  
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document.write( " Basic Plan:
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document.write( "•	Use a pair of equations and eliminate one variable.
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document.write( "•	Use a different pair of equations and eliminate the same variable.
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document.write( "•	Solve the two-variable system found, determining the values of those variables.
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document.write( "•	Substitute those into an original equation to find the remaining variable’s value.\r
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document.write( "Note: A false statement generated ( ≠ ) indicates no solution                                                    
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document.write( "A true statement (an identity) signals infinitely many solutions.\r
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