The equation is
.
Solve by algebraically :
\
(Original equation)
(Add
to each side)
(Apply additive inverse property:
)
(Divide each side by
)
(Cancel common terms)
Therefore, the solution is
.
Solve by graphically:
\The equation is
.
The related function is
.
Construct a table to graph the function.
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Graph :
\Draw a coordinate plane.
\Graph the function
.
Plot the coordinate points
,
and
.

Observe the graph :
\The graph intersects the
-axis at
, hence the solution is
.
The solution is
.