document.write( "Question 626818: elimination method for solving A+8B=12 A+3B=2 \n" ); document.write( "
Algebra.Com's Answer #394464 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! elimination method for solving \n" ); document.write( " A + 8B = 12 \n" ); document.write( " A + 3B = 2 \n" ); document.write( "----------------subtraction eliminates A find B \n" ); document.write( "0 + 5B = 10 \n" ); document.write( "B = 10/5 \n" ); document.write( "B = 2 \n" ); document.write( ": \n" ); document.write( "Use the 1st equation to find A, replace B with 2 \n" ); document.write( "A + 8(2) = 12 \n" ); document.write( "A + 16 = 12 \n" ); document.write( "A = 12 - 16 \n" ); document.write( "A = -4 \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "Check solutions in the 2nd equation \n" ); document.write( "A + 3B = 2 \n" ); document.write( "Replace A and B \n" ); document.write( "-4 + 3(2) = 2 \n" ); document.write( "-4 + 6 = 2 \n" ); document.write( " |