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30 votes
30 votes
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

User Nick Veys
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1 Answer

24 votes
24 votes

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.

User Kit Roed
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