A charm bracelet costs $65, plus $25 for each charm. The equation −25x+y=65 represents the cost y of the bracelet, where x is the number of charms. How much does the bracelet cost?

To find the solution first you have to isolate y (the cost of the bracelet) in the equation:

\begin{gathered}-25x+y=65\\y=65+25x\end{gathered}−25x+y=65y=65+25x

Then, you substitute the given value of x (number of charms) into the equation:

y=65+25(13)y=65+25(13)

And you solve:

\begin{gathered}y=65+325\\y=390\\\end{gathered}y=65+325y=390

Therefore, the bracelet costs $390

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yes. we do proportions in probabilities.

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step-by-step explanation: