Solve: 42 + Circle Symbol (Value = 7) Addition Problem

If:

$\circ=7$

Solve the following addition problem:

$42+\circ=$

Let's solve the problem step-by-step:

• Step 1: Identify the substitution needed.
  We are given that $\circ = 7$. Thus, we need to solve $42 + \circ$ by substituting $\circ$ with 7.

• Step 2: Substitute the value into the addition problem.
  The expression becomes $42 + 7$.

• Step 3: Perform the addition.
  To find $42 + 7$, add the two numbers: $42 + 7 = 49$

Thus, the solution to the problem is $49$.

Correct Answer Choice: $49$