document.write( "Question 122972: Solve the system by substitution.\r
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document.write( " x – 5y = 2 2x + 3y = 17
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Algebra.Com's Answer #90254 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! X-5Y=2 X=5Y+2 NOW SUBSTITUTE (5Y+2) FOR X IN THE OTHER EQUATION & SOLVE FOR Y. \n" ); document.write( "2(5Y+2)+3Y=17 \n" ); document.write( "10Y+4+3Y=17 \n" ); document.write( "13Y=17-4 \n" ); document.write( "13Y=13 \n" ); document.write( "Y=13/13 \n" ); document.write( "Y=1 ANSWER. \n" ); document.write( "2X+3*1=17 \n" ); document.write( "2X+3=17 \n" ); document.write( "2X=17-3 \n" ); document.write( "2X=14 \n" ); document.write( "X=14/2 \n" ); document.write( "X=7 ANSWER. \n" ); document.write( " |