To solve for c, you need to isolate it on one side of the equation to determine its value.
Given the equation, 18.8 = c + 9.9:
Subtract 9.9 from both sides of the equation:
18.8 - 9.9 = c + 9.9 - 9.9
8.9 = c
Therefore, the value of c is 8.9.
18.8 = c + 9.9
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