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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.
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 .
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