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What is the value of X?

What is the value of X?-example-1
User Accelerate
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These angles are vertical angles meaning that they are equal to each other. Here is the equation for this problem:

x + 40 = 3x

Combine like terms

(x-x) + 40 = 3x - x

40 = 2x

Isolate x

40/2 = 2x/2

x = 20

Hope this helped!

User Jimmie Clark
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8.1k points

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