p = w + 9
The variable w represents the number of weeks he has taken voice lessons, and the variable p represents the total number of pieces he has learned. After 9 weeks of voice lessons, how many pieces will Liam be able to sing, in total?
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To find out how many pieces Liam will be able to sing after 9 weeks of voice lessons, we can substitute \( w = 9 \) into the equation \( p = w + 9 \).
\[ p = 9 + 9 \] \[ p = 18 \]
Thus, after 9 weeks of voice lessons, Liam will be able to sing a total of 18 pieces.
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