Which equation can be used to find the value of x in this figure. i’m so stumped but i think it is c

Step-by-step explanation:

Observing the figure

we know that

----> by supplementary angles

Solve for x

in the attachment.   i didn't see your choices.   the word which means there is choices.

step-by-step explanation:

(x,y)

x tells you how much left or right you go from the origin

y tells you how much down or up you go from the origin

so for example (-3,2), you go left 3 and up twice. i denoted which of the ordered pairs is which in my graph.