Question

evaluate the expression 18 + 2c = \boxed{ } submit work it out not feeling ready yet? these can help: evaluate numerical expressions involving exponents write variable e lesson: evaluating expressions

Explanation:

The problem seems to be incomplete as the value of \( c \) is not provided to evaluate the expression \( 18 + 2c \). To solve it, we would need the value of \( c \). For example, if \( c = 5 \):

Step1: Substitute \( c = 5 \) into the expression

\( 18 + 2\times5 \)

Step2: Perform the multiplication first (order of operations)

\( 18 + 10 \)

Step3: Perform the addition

\( 28 \)

But since the value of \( c \) is missing from the given problem, we can't provide a numerical answer yet. If you provide the value of \( c \), we can follow these steps to find the result.

If we assume there was a typo and maybe the original problem had a value for \( c \) (like a common problem where maybe \( c = 6 \), just as an example):

Step1: Substitute \( c = 6 \) into \( 18 + 2c \)

\( 18 + 2\times6 \)

Step2: Calculate \( 2\times6 = 12 \)

\( 18 + 12 \)

Step3: Add 18 and 12

\( 30 \)

Answer:

(Depends on the value of \( c \). If \( c = 6 \), the answer is \( 30 \); please provide the value of \( c \) to get the correct answer.)