document.write( "Question 813739: Martha is 1 year older than twice his sisters age. The difference of their ages is 8. Find their present ages \n" ); document.write( "
Algebra.Com's Answer #489935 by tommyt3rd(5050)![]() ![]() You can put this solution on YOUR website! 1) M=2S+1 \n" ); document.write( "2) M-S=8\r \n" ); document.write( "\n" ); document.write( "setting the equations up to solve... \n" ); document.write( "M-2S=1 \n" ); document.write( "-M+S=-8\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-S=-7\r \n" ); document.write( "\n" ); document.write( "S=7 \n" ); document.write( "M=2(7)+1=15\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |