Solve 6x ā 1 = ā13
The solution of 6x ā 1 = ā13 is x = -2.
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 6:
- 4
Check: put x = -2 back into the equation.
LaTeX source of the formulas on this page
\[ 6x - 1 = -13\ \Rightarrow\ x = -2 \]
\[ 6x - 1 = -13 \]
\[ 6x - 1 + 1 = -13 + 1 \ \Rightarrow\ 6x = -12 \]
\[ \frac{6x}{6} = \frac{-12}{6} \ \Rightarrow\ x = -2 \]
\[ 6\cdot(-2) - 1 = -12 - 1 = -13 \checkmark \]Trying values of x in 6x ā 1 = ā13
| x | 6x ā 1 | Equals -13? |
|---|---|---|
| -4 | -25 | no |
| -3 | -19 | no |
| -2 | -13 | yes |
| -1 | -7 | no |
| 0 | -1 | no |
Questions
What is x in 6x ā 1 = ā13?
The solution of 6x ā 1 = ā13 is x = -2.
How do you solve 6x ā 1 = ā13?
Add 1 to both sides to get 6x = -12, then divide both sides by 6 to get x = -2.
How do I check the answer?
Replace x by -2: 6(-2) ā 1 = -13, which is -13.