The measure of the supplement of an angle whose measure is x

180(degrees) - x

Step-by-step explanation:

Supplementary angles are angles adjacent to each other whose sum adds up to 180 degrees.

So you can set up the equation:

supplement of x  + x  = 180

The answer to the question requires solving for the supplement of x:

supplement of x = 180 - x (This is your answer)

answer: it's d

step-by-step explanation: