Final answer to the problem
$-\left(5.55+\frac{21}{5}c\right)$
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Step-by-step Solution
Specify the solving method
1
Combining like terms $-8.55c$ and $\frac{87}{20}c$
$-5.55-\frac{21}{5}c$
2
Factor the polynomial $-5.55-\frac{21}{5}c$ by it's greatest common factor (GCF): $-1$
$-\left(5.55+\frac{21}{5}c\right)$
Final answer to the problem
$-\left(5.55+\frac{21}{5}c\right)$