(d+5)+d=19

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Solution for (d+5)+d=19 equation: 


Simplifying
(d + 5) + d = 19

Reorder the terms:
(5 + d) + d = 19

Remove parenthesis around (5 + d)
5 + d + d = 19

Combine like terms: d + d = 2d
5 + 2d = 19

Solving
5 + 2d = 19

Solving for variable 'd'.

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

Add '-5' to each side of the equation.
5 + -5 + 2d = 19 + -5

Combine like terms: 5 + -5 = 0
0 + 2d = 19 + -5
2d = 19 + -5

Combine like terms: 19 + -5 = 14
2d = 14

Divide each side by '2'.
d = 7

Simplifying
d = 7

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