Relationships in Patterns
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1. Find the next number in the following sequences:
a. 3, 6, 18, 72, …?
b. 1, 9, 17, 33, 49, 73, …?
2. Identify the rule for this numerical sequence:
15, 20, 25, 30, 35, 40, . , ,
55, , 65,
70, 75, 85,
3. Solve the following:
a. Given that x satisfies the equation ∣2x+3∣=∣2x−1∣, find the value of ∣4x−3∣−∣6x∣.
b. The value of x which satisfies the equation 2x-(4-x)=5-x is: