Solve 5x + 11 = 46
The solution of 5x + 11 = 46 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 11 from both sides:
- 3
Divide both sides by 5:
- 4
Check: put x = 7 back into the equation.
LaTeX source of the formulas on this page
\[ 5x + 11 = 46\ \Rightarrow\ x = 7 \]
\[ 5x + 11 = 46 \]
\[ 5x + 11 - 11 = 46 - 11 \ \Rightarrow\ 5x = 35 \]
\[ \frac{5x}{5} = \frac{35}{5} \ \Rightarrow\ x = 7 \]
\[ 5\cdot7 + 11 = 35 + 11 = 46 \checkmark \]Trying values of x in 5x + 11 = 46
| x | 5x + 11 | Equals 46? |
|---|---|---|
| 5 | 36 | no |
| 6 | 41 | no |
| 7 | 46 | yes |
| 8 | 51 | no |
| 9 | 56 | no |
Questions
What is x in 5x + 11 = 46?
The solution of 5x + 11 = 46 is x = 7.
How do you solve 5x + 11 = 46?
Subtract 11 from both sides to get 5x = 35, then divide both sides by 5 to get x = 7.
How do I check the answer?
Replace x by 7: 5(7) + 11 = 46, which is 46.