Solve 11x ā 14 = ā69
The solution of 11x ā 14 = ā69 is x = -5.
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 14 to both sides:
- 3
Divide both sides by 11:
- 4
Check: put x = -5 back into the equation.
LaTeX source of the formulas on this page
\[ 11x - 14 = -69\ \Rightarrow\ x = -5 \]
\[ 11x - 14 = -69 \]
\[ 11x - 14 + 14 = -69 + 14 \ \Rightarrow\ 11x = -55 \]
\[ \frac{11x}{11} = \frac{-55}{11} \ \Rightarrow\ x = -5 \]
\[ 11\cdot(-5) - 14 = -55 - 14 = -69 \checkmark \]Trying values of x in 11x ā 14 = ā69
| x | 11x ā 14 | Equals -69? |
|---|---|---|
| -7 | -91 | no |
| -6 | -80 | no |
| -5 | -69 | yes |
| -4 | -58 | no |
| -3 | -47 | no |
Questions
What is x in 11x ā 14 = ā69?
The solution of 11x ā 14 = ā69 is x = -5.
How do you solve 11x ā 14 = ā69?
Add 14 to both sides to get 11x = -55, then divide both sides by 11 to get x = -5.
How do I check the answer?
Replace x by -5: 11(-5) ā 14 = -69, which is -69.