8d-3-3d=42

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Solution for 8d-3-3d=42 equation: 


Simplifying
8d + -3 + -3d = 42

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

Combine like terms: 8d + -3d = 5d
-3 + 5d = 42

Solving
-3 + 5d = 42

Solving for variable 'd'.

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

Add '3' to each side of the equation.
-3 + 3 + 5d = 42 + 3

Combine like terms: -3 + 3 = 0
0 + 5d = 42 + 3
5d = 42 + 3

Combine like terms: 42 + 3 = 45
5d = 45

Divide each side by '5'.
d = 9

Simplifying
d = 9

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