8d-3D+7=42

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Solution for 8d-3D+7=42 equation: 


Simplifying
8d + -3D + 7 = 42

Reorder the terms:
7 + -3D + 8d = 42

Solving
7 + -3D + 8d = 42

Solving for variable 'D'.

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

Add '-7' to each side of the equation.
7 + -3D + -7 + 8d = 42 + -7

Reorder the terms:
7 + -7 + -3D + 8d = 42 + -7

Combine like terms: 7 + -7 = 0
0 + -3D + 8d = 42 + -7
-3D + 8d = 42 + -7

Combine like terms: 42 + -7 = 35
-3D + 8d = 35

Add '-8d' to each side of the equation.
-3D + 8d + -8d = 35 + -8d

Combine like terms: 8d + -8d = 0
-3D + 0 = 35 + -8d
-3D = 35 + -8d

Divide each side by '-3'.
D = -11.66666667 + 2.666666667d

Simplifying
D = -11.66666667 + 2.666666667d

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