SOLUTION: Can you please help me figure out this problem? 1. Work this problem by setting up and solving an algebraic equation using an unknown. Use algebraic steps. Ms.Chee keeps hous

Algebra ->  Test -> SOLUTION: Can you please help me figure out this problem? 1. Work this problem by setting up and solving an algebraic equation using an unknown. Use algebraic steps. Ms.Chee keeps hous      Log On


   



Question 728503: Can you please help me figure out this problem?
1. Work this problem by setting up and solving an algebraic equation using an unknown. Use algebraic steps.
Ms.Chee keeps household money in an envelope. Yesterday she took out $21 for groceries. Today a friend paid back a loan, and Ms. Chee put $25 back in the envelope. Now she had $51 in the envelope. How much money was originally in the envelope?

Answer by lynnlo(4176) About Me  (Show Source):
You can put this solution on YOUR website!
x+y=$51
x-21=y
x21+y51=72
72-21=51