Solve 11x ā 5 = ā49
The solution of 11x ā 5 = ā49 is x = -4.
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 5 to both sides:
- 3
Divide both sides by 11:
- 4
Check: put x = -4 back into the equation.
LaTeX source of the formulas on this page
\[ 11x - 5 = -49\ \Rightarrow\ x = -4 \]
\[ 11x - 5 = -49 \]
\[ 11x - 5 + 5 = -49 + 5 \ \Rightarrow\ 11x = -44 \]
\[ \frac{11x}{11} = \frac{-44}{11} \ \Rightarrow\ x = -4 \]
\[ 11\cdot(-4) - 5 = -44 - 5 = -49 \checkmark \]Trying values of x in 11x ā 5 = ā49
| x | 11x ā 5 | Equals -49? |
|---|---|---|
| -6 | -71 | no |
| -5 | -60 | no |
| -4 | -49 | yes |
| -3 | -38 | no |
| -2 | -27 | no |
Questions
What is x in 11x ā 5 = ā49?
The solution of 11x ā 5 = ā49 is x = -4.
How do you solve 11x ā 5 = ā49?
Add 5 to both sides to get 11x = -44, then divide both sides by 11 to get x = -4.
How do I check the answer?
Replace x by -4: 11(-4) ā 5 = -49, which is -49.