c+CalcLantern

Logarithmic equation

Solve log base b of (ax + c) = y.

How this works

Convert to ax + c = bʸ, then solve x = (bʸ − c)/a.

Example

Using the example inputs, solution x is 48.5.

Logarithm base
10
a
2
c
3
Right-hand side y
2
Solution x
48.5

Scope and assumptions

Uses your inputs only; results are rounded for display.

OpenStax mathematics

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