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March 27, 2015

March 27, 2015

Posted by **anonymous** on Saturday, October 27, 2007 at 12:55pm.

let x= nickels=

Let x+5= dimes=

2.3=(.05)x+(.10)x+5

2.3= .05x+.10x+5.1

2.3=.15x+5.1

-2.8= .15x

-18.666666666repeating=x

what did i do wrong?

- Algebra -
**PsyDAG**, Saturday, October 27, 2007 at 1:02pmYou forgot confused the parentheses.

2.3 = .05x + .10(x + 5)

2.3 = .05x + .10x +.50

1.8 = .15x

12 = x

I hope this helps. Thanks for asking.

- Algebra -
**anonymous**, Saturday, October 27, 2007 at 1:07pmoh thanks, i forgot it was multiplication, i added instead. thanks so much for that!

- Algebra -

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