To solve for c in the equation c - 4 = 5, we need to isolate c on one side of the equation. We can do this by adding 4 to both sides of the equation:
c - 4 + 4 = 5 + 4
Simplifying the equation, we get:
c = 9
Therefore, the value of c is 9.
c - 4 = 5
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