![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
The equation is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e4fcd0c45e5560a4c32ffcf8d0a28905.png\")
.
Solve by algebraically.
\Apply subtraction property of equality: Subtract 3 from each side.
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3d3e16f7350a0a11f3ec44566761ff56.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=53e87176bd39d1ccbfdad4cce99f0e81.png\")
(Simplify)
The solution is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2af6e83b0e9af64878f4e8cc8c73d3f5.png\")
.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step2.JPG\")
Solve by graphing.
\The equation is ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e4fcd0c45e5560a4c32ffcf8d0a28905.png\")
.
The related function is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f3038048b066ddb2ba19f9a6692fa16a.png\")
.
To graph the function make a table
\Draw a table
\| \
x \ | \
\
f(x) = x + 3 \ | \
\
f(x) \ | \
\
(x, f(x)) \ | \
| \
1 \ | \
\
= 1 + 3 \ | \
\
4 \ | \
\
(1, 4) \ | \
| \
2 \ | \
\
= 2 + 3 \ | \
\
5 \ | \
\
(2, 5) \ | \
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step3.JPG\")
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](\"/userfiles/image/Library/Algebra1/graph_%20linear_equation_%20f(x)=%20x+3.gif\")
The graph intersects the x-axis at ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2af6e83b0e9af64878f4e8cc8c73d3f5.png\")
, hence the solution is .![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The root of the equation is .