1 Answer

Majiy · Answer 1 · 2024-01-04T07:49:36+0000

Given:

The objective is to find the value of x.

By the property of center axiom, the sum of adjacent angles of a straight line is always 180 degree.

$\begin{gathered} 7x+x+20=180^0 \\ 8x+20=180 \\ 8x=180-20 \\ 8x=160 \\ x=(160)/(80) \\ x=20 \end{gathered}$

Hence, the value of x is 20.

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