4(2d)-18-3D=18

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Solution for 4(2d)-18-3D=18 equation:


Simplifying
4(2d) + -18 + -3D = 18

Remove parenthesis around (2d)
4 * 2d + -18 + -3D = 18

Multiply 4 * 2
8d + -18 + -3D = 18

Reorder the terms:
-18 + -3D + 8d = 18

Solving
-18 + -3D + 8d = 18

Solving for variable 'D'.

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

Add '18' to each side of the equation.
-18 + -3D + 18 + 8d = 18 + 18

Reorder the terms:
-18 + 18 + -3D + 8d = 18 + 18

Combine like terms: -18 + 18 = 0
0 + -3D + 8d = 18 + 18
-3D + 8d = 18 + 18

Combine like terms: 18 + 18 = 36
-3D + 8d = 36

Add '-8d' to each side of the equation.
-3D + 8d + -8d = 36 + -8d

Combine like terms: 8d + -8d = 0
-3D + 0 = 36 + -8d
-3D = 36 + -8d

Divide each side by '-3'.
D = -12 + 2.666666667d

Simplifying
D = -12 + 2.666666667d

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