Question

Given m|n, find the value of x. (5x+28)° (78-4)

Answer 1

The diagram is shown below.

The angles 5x+28 and 7x-4 are equal(Corresponding angles are equal).

$\begin{gathered} 5x+28=7x-4 \\ 32=2x \\ x=16 \end{gathered}$

Therefore, the value of x is 16.