Solve 8x ā 14 = ā62
The solution of 8x ā 14 = ā62 is x = -6.
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 14 to both sides:
- 3
Divide both sides by 8:
- 4
Check: put x = -6 back into the equation.
LaTeX source of the formulas on this page
\[ 8x - 14 = -62\ \Rightarrow\ x = -6 \]
\[ 8x - 14 = -62 \]
\[ 8x - 14 + 14 = -62 + 14 \ \Rightarrow\ 8x = -48 \]
\[ \frac{8x}{8} = \frac{-48}{8} \ \Rightarrow\ x = -6 \]
\[ 8\cdot(-6) - 14 = -48 - 14 = -62 \checkmark \]Trying values of x in 8x ā 14 = ā62
| x | 8x ā 14 | Equals -62? |
|---|---|---|
| -8 | -78 | no |
| -7 | -70 | no |
| -6 | -62 | yes |
| -5 | -54 | no |
| -4 | -46 | no |
Questions
What is x in 8x ā 14 = ā62?
The solution of 8x ā 14 = ā62 is x = -6.
How do you solve 8x ā 14 = ā62?
Add 14 to both sides to get 8x = -48, then divide both sides by 8 to get x = -6.
How do I check the answer?
Replace x by -6: 8(-6) ā 14 = -62, which is -62.