Solve 5x ā 2 = ā52
The solution of 5x ā 2 = ā52 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 2 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
\[ 5x - 2 = -52\ \Rightarrow\ x = -10 \]
\[ 5x - 2 = -52 \]
\[ 5x - 2 + 2 = -52 + 2 \ \Rightarrow\ 5x = -50 \]
\[ \frac{5x}{5} = \frac{-50}{5} \ \Rightarrow\ x = -10 \]
\[ 5\cdot(-10) - 2 = -50 - 2 = -52 \checkmark \]Trying values of x in 5x ā 2 = ā52
| x | 5x ā 2 | Equals -52? |
|---|---|---|
| -12 | -62 | no |
| -11 | -57 | no |
| -10 | -52 | yes |
| -9 | -47 | no |
| -8 | -42 | no |
Questions
What is x in 5x ā 2 = ā52?
The solution of 5x ā 2 = ā52 is x = -10.
How do you solve 5x ā 2 = ā52?
Add 2 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 2 = -52, which is -52.