Solve 11x ā 2 = ā13
The solution of 11x ā 2 = ā13 is x = -1.
How to work it out
- 1
The goal is to get x alone. Undo the operations in the opposite order: first the subtraction, then the multiplication.
- 2
Add 2 to both sides:
- 3
Divide both sides by 11:
- 4
Check: put x = -1 back into the equation.
LaTeX source of the formulas on this page
\[ 11x - 2 = -13\ \Rightarrow\ x = -1 \]
\[ 11x - 2 = -13 \]
\[ 11x - 2 + 2 = -13 + 2 \ \Rightarrow\ 11x = -11 \]
\[ \frac{11x}{11} = \frac{-11}{11} \ \Rightarrow\ x = -1 \]
\[ 11\cdot(-1) - 2 = -11 - 2 = -13 \checkmark \]Trying values of x in 11x ā 2 = ā13
| x | 11x ā 2 | Equals -13? |
|---|---|---|
| -3 | -35 | no |
| -2 | -24 | no |
| -1 | -13 | yes |
| 0 | -2 | no |
| 1 | 9 | no |
Questions
What is x in 11x ā 2 = ā13?
The solution of 11x ā 2 = ā13 is x = -1.
How do you solve 11x ā 2 = ā13?
Add 2 to both sides to get 11x = -11, then divide both sides by 11 to get x = -1.
How do I check the answer?
Replace x by -1: 11(-1) ā 2 = -13, which is -13.