SOLUTION: 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 birthd

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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?
Answer by jonvaliente(64) About Me  (Show Source):
You can put this solution on YOUR website!
Let x=Rolando's birthday
3x+4=Christina's birthday
3x+1=Monique's birthday
x+(3x+4)+(3x+1)=54
7x+5=54
7x+5-5=54-5
7x=49
x=7
Rolando's birthday is on the 7th, Christina's is on the 25th and Monique's is on the 22nd