Solve 5x ā 1 = ā6
The solution of 5x ā 1 = ā6 is x = -1.
How to work it out
- 1
The goal is to get x alone. Undo the operations in the opposite order: first the subtraction, then the multiplication.
- 2
Add 1 to both sides:
- 3
Divide both sides by 5:
- 4
Check: put x = -1 back into the equation.
LaTeX source of the formulas on this page
\[ 5x - 1 = -6\ \Rightarrow\ x = -1 \]
\[ 5x - 1 = -6 \]
\[ 5x - 1 + 1 = -6 + 1 \ \Rightarrow\ 5x = -5 \]
\[ \frac{5x}{5} = \frac{-5}{5} \ \Rightarrow\ x = -1 \]
\[ 5\cdot(-1) - 1 = -5 - 1 = -6 \checkmark \]Trying values of x in 5x ā 1 = ā6
| x | 5x ā 1 | Equals -6? |
|---|---|---|
| -3 | -16 | no |
| -2 | -11 | no |
| -1 | -6 | yes |
| 0 | -1 | no |
| 1 | 4 | no |
Questions
What is x in 5x ā 1 = ā6?
The solution of 5x ā 1 = ā6 is x = -1.
How do you solve 5x ā 1 = ā6?
Add 1 to both sides to get 5x = -5, then divide both sides by 5 to get x = -1.
How do I check the answer?
Replace x by -1: 5(-1) ā 1 = -6, which is -6.