Solve 5x ā 3 = ā53
The solution of 5x ā 3 = ā53 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 3 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
\[ 5x - 3 = -53\ \Rightarrow\ x = -10 \]
\[ 5x - 3 = -53 \]
\[ 5x - 3 + 3 = -53 + 3 \ \Rightarrow\ 5x = -50 \]
\[ \frac{5x}{5} = \frac{-50}{5} \ \Rightarrow\ x = -10 \]
\[ 5\cdot(-10) - 3 = -50 - 3 = -53 \checkmark \]Trying values of x in 5x ā 3 = ā53
| x | 5x ā 3 | Equals -53? |
|---|---|---|
| -12 | -63 | no |
| -11 | -58 | no |
| -10 | -53 | yes |
| -9 | -48 | no |
| -8 | -43 | no |
Questions
What is x in 5x ā 3 = ā53?
The solution of 5x ā 3 = ā53 is x = -10.
How do you solve 5x ā 3 = ā53?
Add 3 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 3 = -53, which is -53.