Which equation(s) have x = 2 as the solution?

Substitute x = 2 into each equation. For A, 5(2) + 6 = 16, and log₂16 = 4, so it works. For B, the base becomes 2, and log₂16 = 4, so it works as well. For C, the logarithm is log₃16, which is not 3; for D, log₂36 is not 6 because 2⁶ = 64, not 36.

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