Solve 6x + 4 = 34
The solution of 6x + 4 = 34 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 4 from both sides:
- 3
Divide both sides by 6:
- 4
Check: put x = 5 back into the equation.
LaTeX source of the formulas on this page
\[ 6x + 4 = 34\ \Rightarrow\ x = 5 \]
\[ 6x + 4 = 34 \]
\[ 6x + 4 - 4 = 34 - 4 \ \Rightarrow\ 6x = 30 \]
\[ \frac{6x}{6} = \frac{30}{6} \ \Rightarrow\ x = 5 \]
\[ 6\cdot5 + 4 = 30 + 4 = 34 \checkmark \]Trying values of x in 6x + 4 = 34
| x | 6x + 4 | Equals 34? |
|---|---|---|
| 3 | 22 | no |
| 4 | 28 | no |
| 5 | 34 | yes |
| 6 | 40 | no |
| 7 | 46 | no |
Questions
What is x in 6x + 4 = 34?
The solution of 6x + 4 = 34 is x = 5.
How do you solve 6x + 4 = 34?
Subtract 4 from both sides to get 6x = 30, then divide both sides by 6 to get x = 5.
How do I check the answer?
Replace x by 5: 6(5) + 4 = 34, which is 34.