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Delta Math: Angle Terminology with Equations

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Delta Math: Angle Terminology with Equations

asked Mar 1, 2023 218k views

19 votes

Delta Math: Angle Terminology with Equations

Delta Math: Angle Terminology with Equations-example-1

Mathematics
high-school

John Wiseman asked

by John Wiseman

8.3k points

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2 Answers

6 votes

Vertical angles are equal

3x-30=2x-9
3x-2x=-9+30
x=21

Done!

Azhar Khan answered Mar 1, 2023

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4 votes

$3x-30=2x-9\\\\\implies 3x -2x = -9 +30\\\\\implies x = 21$

Rich Dougherty answered Mar 6, 2023

by Rich Dougherty

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