Can someone help me with this multi step word problem please ?

Ineed to know the answer to this algebra question.

Astrid spent $36 on new shoes. this was $12 less than twice what she spent on a new skirt. part a: which equation would solve for how much she spent on the skirt? part b: solve the equation in the workspace provided below. how much did astrid spend on her skirt?

Is ofat (-25, 0), (25, 0) co- (0, -15), (0, 15)?