document.write( "Question 1122276: 2 LINEAR EQUATIONS IN 2 UNKNOWNS or SIMULTANEOUS LINEAR EQUATIONS IN 2 UKNOWNS.\r
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document.write( "twice the larger of two number plus the smaller is -25. The larger minus three times the smaller is 138. find the smaller number \n" );
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Algebra.Com's Answer #738363 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! twice the larger of two number plus the smaller is -25. \n" ); document.write( "2x + y = -25 \n" ); document.write( "The larger minus three times the smaller is 138. \n" ); document.write( "x - 3y = 138 \n" ); document.write( "rearrange to \n" ); document.write( "x = 3y + 138 \n" ); document.write( " find the smaller number \n" ); document.write( "replace x with (3y+138) in the first equation \n" ); document.write( "2(3y+138) + y = -25 \n" ); document.write( "6y + 276 + y = -25 \n" ); document.write( "6y + y = -25 - 276 \n" ); document.write( "7y = -301 \n" ); document.write( "y = -301/7 \n" ); document.write( "y = -43 is the smaller number \n" ); document.write( " \n" ); document.write( " |