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The probability that Dallas plays in the next Superbowl is nine times they do not play in the next Superbowl. The probability that Dallas plays in the next Superbowl plus the probability that they don't play is 1. What is the probability that Dallas plays in the next Superbowl?

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Using the probability of Dallas playing in the next Superbowl, the solution shows how to set up the system of linear equations and solve it by substitution method.

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let x be the probability that Dallas plays in the next superbowl
y be the probability that Dallas does not play in the next superbowl

The probability that ...

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