UPSKILL MATH PLUS
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Learn moreSay true or false.
1. \(x + (-x) = 0\)
2. The co-efficient of \(ab\) in the term \(15abc\) is \(15\).
3. \(2pq\) and \(-7qp\) are like terms.
4. When \(y = -1\), the value of the expression \(2y - 1\) is \(3\).
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