kung sino po makakasagot po nito my 68 points po plsss

Example: What is the variable in the expression x + 4? Answer : X

1. x2y ______

2. 3x3 + x3 ______

3. a2b3c4 ______

4. 2x2 – 3 = n ______

5. x2 – y + 2x2 = 3 ______


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