Answer:
<em>142° = m parallel to 5</em>
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Step-by-step explanation:
The angle 7 is equal to the angle 5 in measure, since L and M are parallel lines.
When calculating the value of angle 7 we will find m parallel to 5.
The bottom of the line M forms an angle of 180°, so
180° = Angle 7 + 38°, and isolating Angle 7, we have
Angle 7 = 180° - 38°
Angle 7 = 142°, then
<em>Angle 7 = Angle 5 = 142° = m parallel to 5</em>