(9d+12c+4)+(3d-8c-5)=

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Solution for (9d+12c+4)+(3d-8c-5)= equation:


Simplifying
(9d + 12c + 4) + (3d + -8c + -5) = 0

Reorder the terms:
(4 + 12c + 9d) + (3d + -8c + -5) = 0

Remove parenthesis around (4 + 12c + 9d)
4 + 12c + 9d + (3d + -8c + -5) = 0

Reorder the terms:
4 + 12c + 9d + (-5 + -8c + 3d) = 0

Remove parenthesis around (-5 + -8c + 3d)
4 + 12c + 9d + -5 + -8c + 3d = 0

Reorder the terms:
4 + -5 + 12c + -8c + 9d + 3d = 0

Combine like terms: 4 + -5 = -1
-1 + 12c + -8c + 9d + 3d = 0

Combine like terms: 12c + -8c = 4c
-1 + 4c + 9d + 3d = 0

Combine like terms: 9d + 3d = 12d
-1 + 4c + 12d = 0

Solving
-1 + 4c + 12d = 0

Solving for variable 'c'.

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

Add '1' to each side of the equation.
-1 + 4c + 1 + 12d = 0 + 1

Reorder the terms:
-1 + 1 + 4c + 12d = 0 + 1

Combine like terms: -1 + 1 = 0
0 + 4c + 12d = 0 + 1
4c + 12d = 0 + 1

Combine like terms: 0 + 1 = 1
4c + 12d = 1

Add '-12d' to each side of the equation.
4c + 12d + -12d = 1 + -12d

Combine like terms: 12d + -12d = 0
4c + 0 = 1 + -12d
4c = 1 + -12d

Divide each side by '4'.
c = 0.25 + -3d

Simplifying
c = 0.25 + -3d

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