The price of a visit to the dentist is calculated according to the formula
50+100n50+100n
50+100n
50, plus, 100, n
what is the number of cavities the dentist finds.
On your last visit to the dentist, cavities were found.
What was the cost of your visit?

When x = 3, both expressions have a value of 30.

Step-by-step explanation:

The first expression is 4(x+3)+2x

The second expression is 6(x+2).

When we substitute x=3 into the first equation, we get:

When we substitute x=3 into the second expression we get:

This proves that the two expressions are equivalent.

The correct choice is A