document.write( "Question 1026770: Maria, Joe and Lamar sent a total of 79 text messages over their cell phones during the weekend. Lamar sent 7 fewer messages than Maria. Joe sent 2 times as many messages as Lamar. How many messages did they each send? \n" ); document.write( "
Algebra.Com's Answer #642066 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! Hi there, \n" ); document.write( "Make Maria's number of texts = x \n" ); document.write( "Lamar sent 7 fewer messages than Maria. \n" ); document.write( "Lamar sent (x - 7) texts \n" ); document.write( "Joe sent 2 times as many messages as Lamar. \n" ); document.write( "Joe sent 2(x - 7) texts. \n" ); document.write( "Add the texts up: \n" ); document.write( "x + x - 7 + 2(x - 7)= 79 \n" ); document.write( "x + x - 7 + 2x - 14 = 79 \n" ); document.write( "Collect like terms: \n" ); document.write( "x + x + 2x = 79 + 7 + 14 \n" ); document.write( "4x = 100 \n" ); document.write( "x = 25 \n" ); document.write( "Maria sent 25 texts \n" ); document.write( "Lamar sent 18 texts \n" ); document.write( "Joe sent 36 texts. \n" ); document.write( "Hope this helps :-) \n" ); document.write( " |