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How do u do this in advanced math​

How do u do this in advanced math​-example-1
User Talya S
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1 Answer

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Answer is d = 50.

Step by step. These are vertical angles so the (d + 70) will equal the opposite angle of 120.

Equation is d + 70 = 120.

Solve for d. Subtract 70 from both sides of the equal sign to solve for d.

d + 70 - 70 = 120 - 70
d = 50
User Thedp
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