p/15
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X = 15 - 5y
The algebraic expression that represents fifteen less than the sum of ( y^3 ) and seven is ( (y^3 + 7) - 15 ). This simplifies to ( y^3 - 8 ).
The rule that generates the sequence is Un = 9 + 2n (for n = 1, 2, ...
It is an algebraic expression that can be simplified to: -21x-15.
15-k