1 What is the value of x? 45° m (2x - 5)° n

Chris Bode asked Jan 16, 2023

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Chris Bode asked Jan 16, 2023

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7 votes

45, and

2x - 5

make up a straight angle pair.

So, they add up to 180 degrees.

Thus, we can write:

45 + 2x - 5 = 180

Now, we simply solve for x. Shown below:

$\begin{gathered} 45+2x-5=180 \\ 2x+40=180 \\ 2x=180-40 \\ 2x=140 \\ x=(140)/(2) \\ x=70 \end{gathered}$

Jack Willson answered Jan 22, 2023

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