Inclues all numbers between -1 and 4 including -1 but not including 4

Graph the linear function using the slooe and y intercept

In the diagram below,abc is congruent to dec what is the value of x

Can you me with this question? i'll reward *30 points i just need with this one question so that i could solve the others. * edit: i originally set up the question to reward 30 points, but for some reason i can only reward 15. if you don't get 30, then i'm sorry. i'm still kind of new to this site