The equation is .
Solve by algebraically.
\Apply addition property of equality: Add 5 to each side.
\ (Simplify)
The solution is 5.
Solve by graphing.
\The equation is .
The related function is .
To graph the function make a table
\Draw a table
\ \
x \ | \
\
f(x) = x | \
\
f(x) \ | \
\
(x, f(x)) \ | \
\
1 \ | \
\
= 1 | \
\
| \
\
(1, | \
\
2 \ | \
\
= 2 | \
\
| \
\
(2, | \
Use these ordered pairs to graph the equation.
\1. Draw a coordinate plane.
\2. Plot the points.
\3. Draw a line through these points.
\The graph intersects the x-axis at 5, hence the solution is 5.
The root of the equation is 5.