tina9919 tina9919

18-10-2018
Mathematics

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What is the value of x ?

What is the value of x class=

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josephpublico1 josephpublico1

18-10-2018

Vertical angles are congruent (equal), and the angles below are vertical angles.

x + 40 = 3x

40 = 3x - x

2x = 40

x = 20

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