document.write( "Question 189111: Christiana's birthday is four more than three times Rolando's birthday. Monique's birthday is one more than three times Rolando's. If they all add up to 54, what are their birthdays? \n" ); document.write( "
Algebra.Com's Answer #141895 by jonvaliente(64) You can put this solution on YOUR website! Let x=Rolando's birthday \n" ); document.write( " 3x+4=Christina's birthday \n" ); document.write( " 3x+1=Monique's birthday\r \n" ); document.write( "\n" ); document.write( "x+(3x+4)+(3x+1)=54 \n" ); document.write( "7x+5=54 \n" ); document.write( "7x+5-5=54-5 \n" ); document.write( "7x=49 \n" ); document.write( "x=7\r \n" ); document.write( "\n" ); document.write( "Rolando's birthday is on the 7th, Christina's is on the 25th and Monique's is on the 22nd \n" ); document.write( " |