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Which expressions are equivalent? 3x-7y and -7y+3x 3x-7y and 3y-7x 3x-7y and 3y-7x 3x-7y and 3y+7x
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Which expressions are equivalent?

3x-7y and -7y+3x
3x-7y and 3y-7x
3x-7y and 3y-7x
3x-7y and 3y+7x

User SixtyEight
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The first set of expressions bc 3x is equivalent to 3x and -7y is equivalent to -7y
User Ffritz
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