Solve 11x ā 12 = ā34
The solution of 11x ā 12 = ā34 is x = -2.
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 12 to both sides:
- 3
Divide both sides by 11:
- 4
Check: put x = -2 back into the equation.
LaTeX source of the formulas on this page
\[ 11x - 12 = -34\ \Rightarrow\ x = -2 \]
\[ 11x - 12 = -34 \]
\[ 11x - 12 + 12 = -34 + 12 \ \Rightarrow\ 11x = -22 \]
\[ \frac{11x}{11} = \frac{-22}{11} \ \Rightarrow\ x = -2 \]
\[ 11\cdot(-2) - 12 = -22 - 12 = -34 \checkmark \]Trying values of x in 11x ā 12 = ā34
| x | 11x ā 12 | Equals -34? |
|---|---|---|
| -4 | -56 | no |
| -3 | -45 | no |
| -2 | -34 | yes |
| -1 | -23 | no |
| 0 | -12 | no |
Questions
What is x in 11x ā 12 = ā34?
The solution of 11x ā 12 = ā34 is x = -2.
How do you solve 11x ā 12 = ā34?
Add 12 to both sides to get 11x = -22, then divide both sides by 11 to get x = -2.
How do I check the answer?
Replace x by -2: 11(-2) ā 12 = -34, which is -34.