# Graph x-3y=-9

Solve for .
Subtract from both sides of the equation.
Divide each term by and simplify.
Divide each term in by .
Cancel the common factor of .
Cancel the common factor.
Divide by .
Simplify each term.
Divide by .
Dividing two negative values results in a positive value.
Rewrite in slope-intercept form.
The slope-intercept form is , where is the slope and is the y-intercept.
Reorder and .
Reorder terms.
Use the slope-intercept form to find the slope and y-intercept.
Find the values of and using the form .
The slope of the line is the value of , and the y-intercept is the value of .
Slope:
y-intercept:
Slope:
y-intercept:
Any line can be graphed using two points. Select two values, and plug them into the equation to find the corresponding values.
Find the x-intercept.
To find the x-intercept(s), substitute in for and solve for .
Solve the equation.
Rewrite the equation as .
Subtract from both sides of the equation.
Multiply both sides of the equation by .
Simplify both sides of the equation.
Cancel the common factor of .
Cancel the common factor.
Rewrite the expression.
Multiply by .
x-intercept(s) in point form.
x-intercept(s):
x-intercept(s):
Find the y-intercept.
To find the y-intercept(s), substitute in for and solve for .
Solve the equation.
Remove parentheses.
Simplify .
Divide by .
y-intercept(s) in point form.
y-intercept(s):
y-intercept(s):
Create a table of the and values.
Graph the line using the slope and the y-intercept, or the points.
Slope:
y-intercept:
Graph x-3y=-9