document.write( "Question 519669: Solve using substitution:
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document.write( "3x+5y =-6 ; x=5y+3\r
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document.write( "I have solved that Y= 3/4 but im not sure what to do with the fraction to figure x out. Thank You. Angela
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Algebra.Com's Answer #345723 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! You should have gotten y = -3/4\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Once you have y, you can use it to find x\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x=5y+3 \r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x=5(-3/4)+3 \r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x=-15/4+3 \r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x=-15/4+12/4 \r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x=(-15+12)/4\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x=-3/4\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So the solutions are x = -3/4 and y = -3/4 \n" ); document.write( " |