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OpenStudy (anonymous):
2. Simplify the expression below. 6n2 - 5n2 + 7n2
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OpenStudy (solomonzelman):
You know that: 6 - 5 + 7 = 8 And then, would it be so that: 6x - 5x + 7x = 8x ? (agree or not ?)
OpenStudy (anonymous):
Agree (:
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