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28-04-2017
Mathematics

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If a pair of vertical angles measure 5x-51 and 3x-21, find the measure of the angles

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28-04-2017

Vertical angles are always equal so:
5x-51=3x-21
Subtract 3x on both sides
2x-51=-21
Add 51 on both sides
2x=30
Divide by 2 on both sides
x=15 so the measures are 15 (insert whatever unit of measurement)

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