Answer
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d=3
↓Steps Explained:↓
Solve for d
d + 2 + d = 8
Group the d terms on the left:
(1 + 1)d = 2d
Form modified equation
2d + 2 = + 8
Group constants
Group our constants 2 and 8.
subtract 2 from both sides
2d + 2 - 2 = 8 - 2
Cancel 2 on the left side:
2d = 6
Divide each side of the equation by 2
| 2d | |
| 2 |
| = |
| 6 |
| 2 |
d = 3
Final Answer
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