Solve 9x + 1 = 46
The solution of 9x + 1 = 46 is x = 5.
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 1 from both sides:
- 3
Divide both sides by 9:
- 4
Check: put x = 5 back into the equation.
LaTeX source of the formulas on this page
\[ 9x + 1 = 46\ \Rightarrow\ x = 5 \]
\[ 9x + 1 = 46 \]
\[ 9x + 1 - 1 = 46 - 1 \ \Rightarrow\ 9x = 45 \]
\[ \frac{9x}{9} = \frac{45}{9} \ \Rightarrow\ x = 5 \]
\[ 9\cdot5 + 1 = 45 + 1 = 46 \checkmark \]Trying values of x in 9x + 1 = 46
| x | 9x + 1 | Equals 46? |
|---|---|---|
| 3 | 28 | no |
| 4 | 37 | no |
| 5 | 46 | yes |
| 6 | 55 | no |
| 7 | 64 | no |
Questions
What is x in 9x + 1 = 46?
The solution of 9x + 1 = 46 is x = 5.
How do you solve 9x + 1 = 46?
Subtract 1 from both sides to get 9x = 45, then divide both sides by 9 to get x = 5.
How do I check the answer?
Replace x by 5: 9(5) + 1 = 46, which is 46.