X = 60°
Because the square in the corner tells you that it is 90° (right angle)
So your equation to solve for x would be...
x + 30 = 90
Now you need to isolate the x.
Subtract both sides by 30.
x + 0 = 90 - 30
x = 60
the answer to the first part is 2x-3
I can't really help you with what is in your house......
Answer:
The answer is -1008, it's in the comments