Solve 6x + 10 = 28
The solution of 6x + 10 = 28 is x = 3.
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 10 from both sides:
- 3
Divide both sides by 6:
- 4
Check: put x = 3 back into the equation.
LaTeX source of the formulas on this page
\[ 6x + 10 = 28\ \Rightarrow\ x = 3 \]
\[ 6x + 10 = 28 \]
\[ 6x + 10 - 10 = 28 - 10 \ \Rightarrow\ 6x = 18 \]
\[ \frac{6x}{6} = \frac{18}{6} \ \Rightarrow\ x = 3 \]
\[ 6\cdot3 + 10 = 18 + 10 = 28 \checkmark \]Trying values of x in 6x + 10 = 28
| x | 6x + 10 | Equals 28? |
|---|---|---|
| 1 | 16 | no |
| 2 | 22 | no |
| 3 | 28 | yes |
| 4 | 34 | no |
| 5 | 40 | no |
Questions
What is x in 6x + 10 = 28?
The solution of 6x + 10 = 28 is x = 3.
How do you solve 6x + 10 = 28?
Subtract 10 from both sides to get 6x = 18, then divide both sides by 6 to get x = 3.
How do I check the answer?
Replace x by 3: 6(3) + 10 = 28, which is 28.