Solve 11x + 4 = 136
The solution of 11x + 4 = 136 is x = 12.
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 = 12 back into the equation.
LaTeX source of the formulas on this page
\[ 11x + 4 = 136\ \Rightarrow\ x = 12 \]
\[ 11x + 4 = 136 \]
\[ 11x + 4 - 4 = 136 - 4 \ \Rightarrow\ 11x = 132 \]
\[ \frac{11x}{11} = \frac{132}{11} \ \Rightarrow\ x = 12 \]
\[ 11\cdot12 + 4 = 132 + 4 = 136 \checkmark \]Trying values of x in 11x + 4 = 136
| x | 11x + 4 | Equals 136? |
|---|---|---|
| 10 | 114 | no |
| 11 | 125 | no |
| 12 | 136 | yes |
| 13 | 147 | no |
| 14 | 158 | no |
Questions
What is x in 11x + 4 = 136?
The solution of 11x + 4 = 136 is x = 12.
How do you solve 11x + 4 = 136?
Subtract 4 from both sides to get 11x = 132, then divide both sides by 11 to get x = 12.
How do I check the answer?
Replace x by 12: 11(12) + 4 = 136, which is 136.