document.write( "Question 545158: Solve by substitution method.
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document.write( "-10x+8y=-6
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document.write( "y=5/4x
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document.write( "I need help refreshing for final. \n" );
document.write( "
Algebra.Com's Answer #355502 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! if y=5/4x, then \r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-10x+8y=-6\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-10x+8(5/4x)=-6\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Notice how i replaced 'y' with '5/4x'. This is possible since 'y' and '5/4x' are the same\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "From here, solve -10x+8(5/4x)=-6 for x\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Once you have a solution for x, use it to find y. \n" ); document.write( " |