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34 votes
34 votes
use the diagram below to write an expression that is used to find X directions to simplify your expression

use the diagram below to write an expression that is used to find X directions to-example-1
User Illya
by
3.1k points

1 Answer

18 votes
18 votes

Since both angles lay in the same line, they are supplementary.

This means they add up to 180°

Therefore,


x-1+2x+1=180

Solving for x :


\begin{gathered} x-1+2x+1=180 \\ \rightarrow3x=180\rightarrow x=(180)/(3) \\ \Rightarrow x=60 \end{gathered}

We get that x = 60

User Sam Anthony
by
3.0k points
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