Solve 11x + 6 = 83
The solution of 11x + 6 = 83 is x = 7.
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 6 from both sides:
- 3
Divide both sides by 11:
- 4
Check: put x = 7 back into the equation.
LaTeX source of the formulas on this page
\[ 11x + 6 = 83\ \Rightarrow\ x = 7 \]
\[ 11x + 6 = 83 \]
\[ 11x + 6 - 6 = 83 - 6 \ \Rightarrow\ 11x = 77 \]
\[ \frac{11x}{11} = \frac{77}{11} \ \Rightarrow\ x = 7 \]
\[ 11\cdot7 + 6 = 77 + 6 = 83 \checkmark \]Trying values of x in 11x + 6 = 83
| x | 11x + 6 | Equals 83? |
|---|---|---|
| 5 | 61 | no |
| 6 | 72 | no |
| 7 | 83 | yes |
| 8 | 94 | no |
| 9 | 105 | no |
Questions
What is x in 11x + 6 = 83?
The solution of 11x + 6 = 83 is x = 7.
How do you solve 11x + 6 = 83?
Subtract 6 from both sides to get 11x = 77, then divide both sides by 11 to get x = 7.
How do I check the answer?
Replace x by 7: 11(7) + 6 = 83, which is 83.