Question

solve the equation 3x = 2x +5. what can you do to isolate the variable on one side of the equation 1. add 5 negative unit tiles to both sides.2. add 5 positive unit tiles to both sides.3. add 2 negative x-tiles to both sides 4. add 2 positive x-tiles to both sides

Answer 1

To isolate only one variable on one side of the equation, you'll need to subtract -2x from both sides of the equation. So only option 3 from the given choices suffice this condition.