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
Divide each side of the equation by 2
d = 2
Final Answer
d=2
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