document.write( "Question 848629: I need help how to solve
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\n" ); document.write( "-3x+7y=-16
\n" ); document.write( "-9x+5y=16
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\n" ); document.write( "2.
\n" ); document.write( "-4x+9y=9
\n" ); document.write( "x-3y=-6\r
\n" ); document.write( "\n" ); document.write( "3.
\n" ); document.write( "5x+y=9
\n" ); document.write( "10x-7y=-18\r
\n" ); document.write( "\n" ); document.write( "4.
\n" ); document.write( "-6x+6y=6
\n" ); document.write( "-6x+3y=-12\r
\n" ); document.write( "\n" ); document.write( "5.
\n" ); document.write( "8x+y=-16
\n" ); document.write( "-3x+y=-5\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "
Algebra.Com's Answer #511224 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
 
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document.write( "Hi,
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document.write( "1.
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document.write( "Once you have found one of the variables, substitute that into one of the EQs to find the other variable
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document.write( " -3x+7y=-16  |multiply thru by -3 to  eliminate the x variable. Then, Add the two EQs to find y  
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document.write( " -9x+5y=1
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document.write( " 2.
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document.write( " -4x+9y=9
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document.write( " x-3y=-6      |multiply thru by 4 to  eliminate the x variable. Then, Add the two EQs to find y   
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document.write( "3. 
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document.write( " 5x+y=9        |multiply thru by -2 to  eliminate the x variable. Then, Add the two EQs to find y   
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document.write( " 10x-7y=-18 
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document.write( " 4.
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document.write( " -6x+6y=6     |multiply thru by -1 to  eliminate the x variable. Then, Add the two EQs to find y   
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document.write( "-6x+3y=-12 
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document.write( " 5.
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document.write( " 8x+y=-16     |multiply thru by -1 to  eliminate the y variable. Then, Add the two EQs to find x  
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document.write( " -3x+y=-5  \n" );
document.write( "
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