Solve 11x + 2 = 222
The solution of 11x + 2 = 222 is x = 20.
How to work it out
- 1
The goal is to get x alone. Undo the operations in the opposite order: first the addition, then the multiplication.
- 2
Subtract 2 from both sides:
- 3
Divide both sides by 11:
- 4
Check: put x = 20 back into the equation.
LaTeX source of the formulas on this page
\[ 11x + 2 = 222\ \Rightarrow\ x = 20 \]
\[ 11x + 2 = 222 \]
\[ 11x + 2 - 2 = 222 - 2 \ \Rightarrow\ 11x = 220 \]
\[ \frac{11x}{11} = \frac{220}{11} \ \Rightarrow\ x = 20 \]
\[ 11\cdot20 + 2 = 220 + 2 = 222 \checkmark \]Trying values of x in 11x + 2 = 222
| x | 11x + 2 | Equals 222? |
|---|---|---|
| 18 | 200 | no |
| 19 | 211 | no |
| 20 | 222 | yes |
| 21 | 233 | no |
| 22 | 244 | no |
Questions
What is x in 11x + 2 = 222?
The solution of 11x + 2 = 222 is x = 20.
How do you solve 11x + 2 = 222?
Subtract 2 from both sides to get 11x = 220, then divide both sides by 11 to get x = 20.
How do I check the answer?
Replace x by 20: 11(20) + 2 = 222, which is 222.