Solve 7x ā 6 = 1
The solution of 7x ā 6 = 1 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 6 to both sides:
- 3
Divide both sides by 7:
- 4
Check: put x = 1 back into the equation.
LaTeX source of the formulas on this page
\[ 7x - 6 = 1\ \Rightarrow\ x = 1 \]
\[ 7x - 6 = 1 \]
\[ 7x - 6 + 6 = 1 + 6 \ \Rightarrow\ 7x = 7 \]
\[ \frac{7x}{7} = \frac{7}{7} \ \Rightarrow\ x = 1 \]
\[ 7\cdot1 - 6 = 7 - 6 = 1 \checkmark \]Trying values of x in 7x ā 6 = 1
| x | 7x ā 6 | Equals 1? |
|---|---|---|
| -1 | -13 | no |
| 0 | -6 | no |
| 1 | 1 | yes |
| 2 | 8 | no |
| 3 | 15 | no |
Questions
What is x in 7x ā 6 = 1?
The solution of 7x ā 6 = 1 is x = 1.
How do you solve 7x ā 6 = 1?
Add 6 to both sides to get 7x = 7, then divide both sides by 7 to get x = 1.
How do I check the answer?
Replace x by 1: 7(1) ā 6 = 1, which is 1.