document.write( "Question 349631: Solve by the substitution method\r
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document.write( "5x+3y=2
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document.write( "x=22-3y \n" );
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Algebra.Com's Answer #249888 by Jk22(389)![]() ![]() You can put this solution on YOUR website! 5x+3y=2 \n" ); document.write( "x=22-3y | subs x in preceding equation : \n" ); document.write( " \n" ); document.write( "5*(22-3y)+3y=2 => 110-15y+3y=2 => 12y=108 => 6y=54 => y=9, x=22-3*9=22-27=-5 \n" ); document.write( " \n" ); document.write( " Verification : \r \n" ); document.write( "\n" ); document.write( "5*(-5)+3*9=-25+27=2 \n" ); document.write( "22-3*9=22-27=-(27-22)=-5=x \n" ); document.write( " |