Solve 6x + 8 = 50
The solution of 6x + 8 = 50 is x = 7.
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 8 from both sides:
- 3
Divide both sides by 6:
- 4
Check: put x = 7 back into the equation.
LaTeX source of the formulas on this page
\[ 6x + 8 = 50\ \Rightarrow\ x = 7 \]
\[ 6x + 8 = 50 \]
\[ 6x + 8 - 8 = 50 - 8 \ \Rightarrow\ 6x = 42 \]
\[ \frac{6x}{6} = \frac{42}{6} \ \Rightarrow\ x = 7 \]
\[ 6\cdot7 + 8 = 42 + 8 = 50 \checkmark \]Trying values of x in 6x + 8 = 50
| x | 6x + 8 | Equals 50? |
|---|---|---|
| 5 | 38 | no |
| 6 | 44 | no |
| 7 | 50 | yes |
| 8 | 56 | no |
| 9 | 62 | no |
Questions
What is x in 6x + 8 = 50?
The solution of 6x + 8 = 50 is x = 7.
How do you solve 6x + 8 = 50?
Subtract 8 from both sides to get 6x = 42, then divide both sides by 6 to get x = 7.
How do I check the answer?
Replace x by 7: 6(7) + 8 = 50, which is 50.