First, we can simplify the left-hand side of the equation by finding a common denominator for the fractions:
$$\frac{c}{2}-\frac{c}{4}+\frac{3 c}{8}=\frac{4c}{8}-\frac{2c}{8}+\frac{3c}{8}=\frac{5c}{8}$$
So now we have the equation:
$$\frac{5c}{8}=1$$
To solve
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