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Geometry....have no idea whats this is...little help please?
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Geometry....have no idea whats this is...little help please?

Geometry....have no idea whats this is...little help please?-example-1
User Aldenn
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1 Answer

3 votes
His mistake was in line 5 because he did not add he subtracted so it's the Subtraction property of equality.
User WeaklyTyped
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