document.write( "Question 1111421: Beth is 5years younger than Celeste next year their age will have a sum equal to 57 how old each now
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #726417 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Beth is 5years younger than Celeste \n" ); document.write( "b = c - 5 \n" ); document.write( "or \n" ); document.write( "b - c = -5 \n" ); document.write( " next year their age will have a sum equal to 57 \n" ); document.write( "(b+1) + (c+1) = 57 \n" ); document.write( "b + c + 2 = 57 \n" ); document.write( "b + c = 57 - 2 \n" ); document.write( "b + c = 55 \n" ); document.write( ": \n" ); document.write( "Use elimination with these two equations \n" ); document.write( "b - c = -5 \n" ); document.write( "b + c = 55 \n" ); document.write( "-----------------addition eliminates c, find b \n" ); document.write( "2b = 50 \n" ); document.write( "b = 50/2 \n" ); document.write( "b = 25 yrs is Beth's age \n" ); document.write( "then \n" ); document.write( "25 + c = 55 \n" ); document.write( "c = 55 - 25 \n" ); document.write( "c = 30 yrs is Celeste's age \n" ); document.write( " \n" ); document.write( " |