Write an expression to represent four more than the problem of three and a number z

If the "problem of 3 and a number " is multiplying:

If it's about adding:

Scenario A: If it's 3 and z, then that means it's 3, and we're adding 4, so it's (make sure to put () around the 3!)

Scenario B: If 3 and z is also 3+, then the equation is (also use () on this too!)

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step-by-step explanation: