Solve 6x ā 14 = 28
The solution of 6x ā 14 = 28 is x = 7.
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 14 to both sides:
- 3
Divide both sides by 6:
- 4
Check: put x = 7 back into the equation.
LaTeX source of the formulas on this page
\[ 6x - 14 = 28\ \Rightarrow\ x = 7 \]
\[ 6x - 14 = 28 \]
\[ 6x - 14 + 14 = 28 + 14 \ \Rightarrow\ 6x = 42 \]
\[ \frac{6x}{6} = \frac{42}{6} \ \Rightarrow\ x = 7 \]
\[ 6\cdot7 - 14 = 42 - 14 = 28 \checkmark \]Trying values of x in 6x ā 14 = 28
| x | 6x ā 14 | Equals 28? |
|---|---|---|
| 5 | 16 | no |
| 6 | 22 | no |
| 7 | 28 | yes |
| 8 | 34 | no |
| 9 | 40 | no |
Questions
What is x in 6x ā 14 = 28?
The solution of 6x ā 14 = 28 is x = 7.
How do you solve 6x ā 14 = 28?
Add 14 to both sides to get 6x = 42, then divide both sides by 6 to get x = 7.
How do I check the answer?
Replace x by 7: 6(7) ā 14 = 28, which is 28.