The equation is .
Rewrite the equation in standard form:
\ (Subtract 15 from each side)
(Apply additive inverse property:
)
Graph the related function:
\Let .
.
Graph the related function .
Locate the x-intercepts of the graph. This graph has no x-intercepts. Therefore, this equations has no real number solutions. The solution set is .
This equations has no real number solutions. The solution set is .