The answer is, x-5 equals to 0. So x equals to 5. So your answer is 5.
X would be 63, Y would be 27
A straight line is 180 degrees. 180-117=63
To find Y, since we know it is a 90 degree angle do 90-63 which is 27.
X=9.3 is the answer to the question
2=4(-3) + b
2= -12 + b
14= b
Y=4x + 14