181.
On solving expression 8c + 4d - c + 3d, answer will be
Answer: D
Collect the like terms.
\[ 8c - c = 7c \]
\[ 4d + 3d = 7d \]
\[ \therefore\ 7c + 7d \]
The \( c \) and \( d \) terms are unlike and cannot be merged into a single term such as \( 14cd \).
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