document.write( "Question 46342: the sum of two numbers is two hundred thirty. their difference is sixty. what are the numbers? *SOLVE USING A SYSTEM OF EQUATIONS \n" ); document.write( "
Algebra.Com's Answer #30728 by Nate(3500)![]() ![]() ![]() You can put this solution on YOUR website! a + b = 230 \n" ); document.write( "and \n" ); document.write( "a - b = 60 \n" ); document.write( "Combine Them: \n" ); document.write( "a + b = 230 \n" ); document.write( "+ \n" ); document.write( "a - b = 60 \n" ); document.write( "2a = 290 \n" ); document.write( "a = 145 \n" ); document.write( "plug: \n" ); document.write( "a + b = 230 \n" ); document.write( "145 + b = 230 \n" ); document.write( "b = 85 \n" ); document.write( " |