Solve 8x + 6 = 46
The solution of 8x + 6 = 46 is x = 5.
How to work it out
- 1
The goal is to get x alone. Undo the operations in the opposite order: first the addition, then the multiplication.
- 2
Subtract 6 from both sides:
- 3
Divide both sides by 8:
- 4
Check: put x = 5 back into the equation.
LaTeX source of the formulas on this page
\[ 8x + 6 = 46\ \Rightarrow\ x = 5 \]
\[ 8x + 6 = 46 \]
\[ 8x + 6 - 6 = 46 - 6 \ \Rightarrow\ 8x = 40 \]
\[ \frac{8x}{8} = \frac{40}{8} \ \Rightarrow\ x = 5 \]
\[ 8\cdot5 + 6 = 40 + 6 = 46 \checkmark \]Trying values of x in 8x + 6 = 46
| x | 8x + 6 | Equals 46? |
|---|---|---|
| 3 | 30 | no |
| 4 | 38 | no |
| 5 | 46 | yes |
| 6 | 54 | no |
| 7 | 62 | no |
Questions
What is x in 8x + 6 = 46?
The solution of 8x + 6 = 46 is x = 5.
How do you solve 8x + 6 = 46?
Subtract 6 from both sides to get 8x = 40, then divide both sides by 8 to get x = 5.
How do I check the answer?
Replace x by 5: 8(5) + 6 = 46, which is 46.