D=10-(3a-5)+(9+3a)

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Solution for D=10-(3a-5)+(9+3a) equation: 


Simplifying
D = 10 + -1(3a + -5) + (9 + 3a)

Reorder the terms:
D = 10 + -1(-5 + 3a) + (9 + 3a)
D = 10 + (-5 * -1 + 3a * -1) + (9 + 3a)
D = 10 + (5 + -3a) + (9 + 3a)

Remove parenthesis around (9 + 3a)
D = 10 + 5 + -3a + 9 + 3a

Reorder the terms:
D = 10 + 5 + 9 + -3a + 3a

Combine like terms: 10 + 5 = 15
D = 15 + 9 + -3a + 3a

Combine like terms: 15 + 9 = 24
D = 24 + -3a + 3a

Combine like terms: -3a + 3a = 0
D = 24 + 0
D = 24

Solving
D = 24

Solving for variable 'D'.

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

Simplifying
D = 24

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