Solve 8x + 11 = 11
The solution of 8x + 11 = 11 is x = 0.
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 11 from both sides:
- 3
Divide both sides by 8:
- 4
Check: put x = 0 back into the equation.
LaTeX source of the formulas on this page
\[ 8x + 11 = 11\ \Rightarrow\ x = 0 \]
\[ 8x + 11 = 11 \]
\[ 8x + 11 - 11 = 11 - 11 \ \Rightarrow\ 8x = 0 \]
\[ \frac{8x}{8} = \frac{0}{8} \ \Rightarrow\ x = 0 \]
\[ 8\cdot0 + 11 = 0 + 11 = 11 \checkmark \]Trying values of x in 8x + 11 = 11
| x | 8x + 11 | Equals 11? |
|---|---|---|
| -2 | -5 | no |
| -1 | 3 | no |
| 0 | 11 | yes |
| 1 | 19 | no |
| 2 | 27 | no |
Questions
What is x in 8x + 11 = 11?
The solution of 8x + 11 = 11 is x = 0.
How do you solve 8x + 11 = 11?
Subtract 11 from both sides to get 8x = 0, then divide both sides by 8 to get x = 0.
How do I check the answer?
Replace x by 0: 8(0) + 11 = 11, which is 11.