Solve 11x + 4 = 92
The solution of 11x + 4 = 92 is x = 8.
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 4 from both sides:
- 3
Divide both sides by 11:
- 4
Check: put x = 8 back into the equation.
LaTeX source of the formulas on this page
\[ 11x + 4 = 92\ \Rightarrow\ x = 8 \]
\[ 11x + 4 = 92 \]
\[ 11x + 4 - 4 = 92 - 4 \ \Rightarrow\ 11x = 88 \]
\[ \frac{11x}{11} = \frac{88}{11} \ \Rightarrow\ x = 8 \]
\[ 11\cdot8 + 4 = 88 + 4 = 92 \checkmark \]Trying values of x in 11x + 4 = 92
| x | 11x + 4 | Equals 92? |
|---|---|---|
| 6 | 70 | no |
| 7 | 81 | no |
| 8 | 92 | yes |
| 9 | 103 | no |
| 10 | 114 | no |
Questions
What is x in 11x + 4 = 92?
The solution of 11x + 4 = 92 is x = 8.
How do you solve 11x + 4 = 92?
Subtract 4 from both sides to get 11x = 88, then divide both sides by 11 to get x = 8.
How do I check the answer?
Replace x by 8: 11(8) + 4 = 92, which is 92.