Note:
Solve for x in the following equation.
Example 4:
Isolate the absolute value term by subtracting 2x from both sides of the equation.
Either or
Solve
Solve
The answers are 1.06811457479, -0.468114574787, 2.04880884817 and
-0.04880884817. These answers may or may not be solutions to the original
equation. You must verify each of the answers.
Check the solutions:
Check the answer x = 1.06811457479 by substituting 1.06811457479 in the original equation for x. If the left side of the equation equals the right side of the equation after the substitution, you have found the correct answer.
Check x=-0.468114574787 by substituting -0.468114574787 in the original
equation for x. If the left side of the equation equals the right side of
the equation after the substitution, you have found the correct
answer.
Check x=2.04880884817 by substituting 2.04880884817 in the original
equation for x. If the left side of the equation equals the right side of
the equation after the substitution, you have found the correct
answer.
Check x=-0.04880884817 by substituting -0.04880884817 in the original
equation for x. If the left side of the equation equals the right side of
the equation after the substitution, you have found the correct
answer.
The solutions are x=1.06811457479,-0.468114574787, and -0.04880884817.
You can also check your answer by graphing
If you would like to test yourself by working some problems similar to this example, click on problem.
If you would like to go back to the equation table of contents, click on contents.
Do you need more help? Please post your question on our S.O.S. Mathematics CyberBoard.
Author: Nancy Marcus