document.write( "Question 747337: Solve by substitution. \r
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Algebra.Com's Answer #454832 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
3x-5y=4\r
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\n" ); document.write( "\n" ); document.write( "3x-5(4-2x)=4 ... plug in y = 4 - 2x\r
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\n" ); document.write( "\n" ); document.write( "3x-20+10x=4\r
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\n" ); document.write( "\n" ); document.write( "13x-20=4\r
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\n" ); document.write( "\n" ); document.write( "I'll let you finish. You need to solve for x. Once you find x, use it and plug it into y = 4 - 2x to find y.
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