Question 157882
A = angle A and B = angle B.
A + B = 180 (supplementary)
2*A = B-48
A = (B-48)/2
(B-48)/2 + B = 180
B-48 + 2B = 360
3B = 408
B = 136
A = 180-136 = 44
tangent of angle B = y / x = -.965688775
y = -.965688775 * x
let x = -5, then y = -.965688775 * (-5) = 
graph of the line formed by A = 136 degrees is as follows:
graph {{{ (600,600,-5,0,0,5,(-.96568875)*x)}}}