d+d+3=17

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Solution for d+d+3=17 equation: 


Simplifying
d + d + 3 = 17

Reorder the terms:
3 + d + d = 17

Combine like terms: d + d = 2d
3 + 2d = 17

Solving
3 + 2d = 17

Solving for variable 'd'.

Move all terms containing d to the left, all other terms to the right.

Add '-3' to each side of the equation.
3 + -3 + 2d = 17 + -3

Combine like terms: 3 + -3 = 0
0 + 2d = 17 + -3
2d = 17 + -3

Combine like terms: 17 + -3 = 14
2d = 14

Divide each side by '2'.
d = 7

Simplifying
d = 7

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