Steps to Solve a Multi-Step Equation Quick Check

Question

3 of 53 of 5 Items
Question
Jonny is solving this equation for n : 8 + 3n = 20 . His first step is to subtract 8 from both sides of the equation. Why?(1 point)
Responses

He needs to follow the order of operations.
He needs to follow the order of operations.

8 is attached to 3n by subtraction.
8 is attached to 3 n by subtraction.

He needs to reverse the order of operations.
He needs to reverse the order of operations.

8 is the first term in the equation.

Answer 1

He needs to isolate the variable n.

Answer 2

"Isolate the variable" isn't a given answer. "8 is attached to 3n by subtraction" is false. The equation is 8 + 3n = 20. As we can see, it is attached by addition, not subtraction.

The correct answer is "He needs to reverse the order of operations."