Solve 9x + 5 = 59
The solution of 9x + 5 = 59 is x = 6.
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 5 from both sides:
- 3
Divide both sides by 9:
- 4
Check: put x = 6 back into the equation.
LaTeX source of the formulas on this page
\[ 9x + 5 = 59\ \Rightarrow\ x = 6 \]
\[ 9x + 5 = 59 \]
\[ 9x + 5 - 5 = 59 - 5 \ \Rightarrow\ 9x = 54 \]
\[ \frac{9x}{9} = \frac{54}{9} \ \Rightarrow\ x = 6 \]
\[ 9\cdot6 + 5 = 54 + 5 = 59 \checkmark \]Trying values of x in 9x + 5 = 59
| x | 9x + 5 | Equals 59? |
|---|---|---|
| 4 | 41 | no |
| 5 | 50 | no |
| 6 | 59 | yes |
| 7 | 68 | no |
| 8 | 77 | no |
Questions
What is x in 9x + 5 = 59?
The solution of 9x + 5 = 59 is x = 6.
How do you solve 9x + 5 = 59?
Subtract 5 from both sides to get 9x = 54, then divide both sides by 9 to get x = 6.
How do I check the answer?
Replace x by 6: 9(6) + 5 = 59, which is 59.