Answer
Success!
d=2
↓Steps Explained:↓
Solve for d
3d = d + 4
Group variables
Group our variables 3d and d
subtract d from both sides
3d - d = d + 4 - d
Cancel d on the right side:
2d = 4
Divide each side by 3
| 3d | |
| 3 |
| = |
| 4 |
| 3 |
Divide each side of the equation by 2
| 2d | |
| 2 |
| = |
| 4 |
| 2 |
d = 2
Final Answer
d=2Take the Quiz
Related Calculators: Literal Equations | Simultaneous Equations | 4 unknowns using Cramers Rule