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The expression given in the problem is:

\[
b - 65 = 20
\]

To solve for \( b \), we can isolate \( b \) by adding 65 to both sides of the equation:

\[
b = 20 + 65
\]
\[
b = 85
\]

Thus, the correct value of \( b \) is 85, which corresponds to option **B**.

Would you like more details or have any questions?

Here are 5 related questions for further practice:
1. Solve for \( x \) in the equation \( x - 30 = 50 \).
2. What is the solution to \( y + 45 = 100 \)?
3. If \( a - 12 = 90 \), what is the value of \( a \)?
4. Solve \( c - 18 = 5 \).
5. How would you check if a solution is correct in a simple equation?

**Tip:** When solving equations, you can check your solution by plugging the value back into the original equation to verify if both sides are equal.

Determine the value of b from the equation b - 65 = 20.

Learn how to solve the linear equation b - 65 = 20 with a detailed step-by-step explanation. This problem covers key algebra concepts for Grade 6 students.

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