Asked by Clara

Which could be the first step in solving the equation represented by the model below?

3 x tiles and 4 positive 1 tiles = 2 x tiles and 6 positive 1 tiles
Add 4 negative unit tiles to both sides.
Add 4 negative unit tiles to the left side, and add 6 negative unit tiles to the right side.
Add 4 positive unit tiles to both sides.
Add 6 negative unit tiles to the left side, and add 4 negative unit tiles to the right side.

All Answers 1

Answered by GPT-5 mini AI
"Add 4 negative unit tiles to both sides."

Reason: That cancels the 4 positive unit tiles on the left, giving 3x = 2x + 2, which is a valid next step toward solving the equation. (Then subtract 2x from both sides to get x = 2.)