x

y=mx+b

f(x) = (0.5 * x) + 1.5
A = Point(xAxis)
B: (x(A) | f(x(A)))
g = Segment(A, B)
m = Slope(f)
C: (0 | 1.5)
D = Intersect(xAxis, yAxis)
b = Segment(D, C)
Text1: "\underbrace{" + (LaTeX[x(A)]) + "}_{\substack{x}} \rightarrow \underbrace{" + (LaTeX[m]) + "}_{\substack{m}} \cdot \underbrace{" + (LaTeX[x(A)]) + "}_{\substack{x}} + \underbrace{" + (LaTeX[b]) + "}_{\substack{b}} = " + (LaTeX[y(B)]) + ""