Checking Answers Using Algebra Calculator
Learn how to use the Algebra Calculator to check your answers to algebra problems.
Example Problem
Solve 2x+3=15.Check Answer
x=6How to Check Your Answer with Algebra Calculator
First go to the Algebra Calculator main page.
Type the following:
- First type the equation 2x+3=15.
- Then type the @ symbol.
- Then type x=6.
Clickable Demo
Try entering 2x+3=15 @ x=6 into the text box.
After you enter the expression, Algebra Calculator will plug x=6 in for the equation 2x+3=15: 2(6)+3 = 15.
The calculator prints "True" to let you know that the answer is right.
More Examples
Here are more examples of how to check your answers with Algebra Calculator. Feel free to try them now.- For x+6=2x+3, check (correct) solution x=3: x+6=2x+3 @ x=3
- For x+6=2x+3, check (wrong) solution x=2: x+6=2x+3 @ x=2
- For system of equations x+y=8 and y=x+2, check (correct) solution x=3, y=5: x+y=8 and y=x+2 @ x=3, y=5
- For 3xy=18, check (correct) solution x=2, y=3: 3xy=18 @ x=2, y=3