Solve 5x ā 12 = ā62
The solution of 5x ā 12 = ā62 is x = -10.
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 12 to both sides:
- 3
Divide both sides by 5:
- 4
Check: put x = -10 back into the equation.
LaTeX source of the formulas on this page
\[ 5x - 12 = -62\ \Rightarrow\ x = -10 \]
\[ 5x - 12 = -62 \]
\[ 5x - 12 + 12 = -62 + 12 \ \Rightarrow\ 5x = -50 \]
\[ \frac{5x}{5} = \frac{-50}{5} \ \Rightarrow\ x = -10 \]
\[ 5\cdot(-10) - 12 = -50 - 12 = -62 \checkmark \]Trying values of x in 5x ā 12 = ā62
| x | 5x ā 12 | Equals -62? |
|---|---|---|
| -12 | -72 | no |
| -11 | -67 | no |
| -10 | -62 | yes |
| -9 | -57 | no |
| -8 | -52 | no |
Questions
What is x in 5x ā 12 = ā62?
The solution of 5x ā 12 = ā62 is x = -10.
How do you solve 5x ā 12 = ā62?
Add 12 to both sides to get 5x = -50, then divide both sides by 5 to get x = -10.
How do I check the answer?
Replace x by -10: 5(-10) ā 12 = -62, which is -62.