Solve 12x + 2 = 182
The solution of 12x + 2 = 182 is x = 15.
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 2 from both sides:
- 3
Divide both sides by 12:
- 4
Check: put x = 15 back into the equation.
LaTeX source of the formulas on this page
\[ 12x + 2 = 182\ \Rightarrow\ x = 15 \]
\[ 12x + 2 = 182 \]
\[ 12x + 2 - 2 = 182 - 2 \ \Rightarrow\ 12x = 180 \]
\[ \frac{12x}{12} = \frac{180}{12} \ \Rightarrow\ x = 15 \]
\[ 12\cdot15 + 2 = 180 + 2 = 182 \checkmark \]Trying values of x in 12x + 2 = 182
| x | 12x + 2 | Equals 182? |
|---|---|---|
| 13 | 158 | no |
| 14 | 170 | no |
| 15 | 182 | yes |
| 16 | 194 | no |
| 17 | 206 | no |
Questions
What is x in 12x + 2 = 182?
The solution of 12x + 2 = 182 is x = 15.
How do you solve 12x + 2 = 182?
Subtract 2 from both sides to get 12x = 180, then divide both sides by 12 to get x = 15.
How do I check the answer?
Replace x by 15: 12(15) + 2 = 182, which is 182.