document.write( "Question 250252: Twice the sum of a number and eight, equals three times the sum of the number and four. Find the number?
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document.write( "I don't understand what it is asking.. \n" );
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Algebra.Com's Answer #182173 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Let n = \"the number\" \n" ); document.write( ": \n" ); document.write( "Write an equation for what it says: \n" ); document.write( ": \n" ); document.write( "Twice the sum of a number and eight, equals three times the sum of the number and four. \n" ); document.write( "2(n + 8) = 3(n + 4) \n" ); document.write( "Multiply what's inside brackets \n" ); document.write( "2n + 16 = 3n + 12 \n" ); document.write( ": \n" ); document.write( "16 - 12 = 3n - 2n \n" ); document.write( ": \n" ); document.write( "4 = n \n" ); document.write( "; \n" ); document.write( "the number is 4: \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "Check this by replacing n with 4 in the original equation: \n" ); document.write( "2(4 + 8) = 3(4 + 4) \n" ); document.write( "2(12) = 3(8) \n" ); document.write( ": \n" ); document.write( "Did I make this understandable to you?\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |