11d-7d+3D-4d-2d+1=18

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Solution for 11d-7d+3D-4d-2d+1=18 equation:


Simplifying
11d + -7d + 3D + -4d + -2d + 1 = 18

Reorder the terms:
1 + 3D + 11d + -7d + -4d + -2d = 18

Combine like terms: 11d + -7d = 4d
1 + 3D + 4d + -4d + -2d = 18

Combine like terms: 4d + -4d = 0
1 + 3D + 0 + -2d = 18
1 + 3D + -2d = 18

Solving
1 + 3D + -2d = 18

Solving for variable 'D'.

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

Add '-1' to each side of the equation.
1 + 3D + -1 + -2d = 18 + -1

Reorder the terms:
1 + -1 + 3D + -2d = 18 + -1

Combine like terms: 1 + -1 = 0
0 + 3D + -2d = 18 + -1
3D + -2d = 18 + -1

Combine like terms: 18 + -1 = 17
3D + -2d = 17

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

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

Divide each side by '3'.
D = 5.666666667 + 0.6666666667d

Simplifying
D = 5.666666667 + 0.6666666667d

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