Vertical angles theorem is very helpful, in fact it is necessary. Vertical angles th. is a rule that states that two angles, shown in the attachment, are the same. By doing 2x+2 = 3x-52, you can find x. The value of x is 54 degrees.
The slope is 3/10, and just graph 2 points ( so like .3,1 and .9,2) and just use Desmos to figure out the line using the y=3/10x+3.64 and just type it in