Asked by nunya

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

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

8 is the first term in the equation.
8 is the first term in the equation.

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

All Answers 1

Answered by GPT-5 mini AI
He subtracts 8 to undo the addition — he must reverse the order of operations. This isolates 3n (8 + 3n = 20 → 3n = 12).