Solve 4x + 6 = 2
The solution of 4x + 6 = 2 is x = -1.
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 4:
- 4
Check: put x = -1 back into the equation.
LaTeX source of the formulas on this page
\[ 4x + 6 = 2\ \Rightarrow\ x = -1 \]
\[ 4x + 6 = 2 \]
\[ 4x + 6 - 6 = 2 - 6 \ \Rightarrow\ 4x = -4 \]
\[ \frac{4x}{4} = \frac{-4}{4} \ \Rightarrow\ x = -1 \]
\[ 4\cdot(-1) + 6 = -4 + 6 = 2 \checkmark \]Trying values of x in 4x + 6 = 2
| x | 4x + 6 | Equals 2? |
|---|---|---|
| -3 | -6 | no |
| -2 | -2 | no |
| -1 | 2 | yes |
| 0 | 6 | no |
| 1 | 10 | no |
Questions
What is x in 4x + 6 = 2?
The solution of 4x + 6 = 2 is x = -1.
How do you solve 4x + 6 = 2?
Subtract 6 from both sides to get 4x = -4, then divide both sides by 4 to get x = -1.
How do I check the answer?
Replace x by -1: 4(-1) + 6 = 2, which is 2.