-3D+15=20

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Solution for -3D+15=20 equation: 


Simplifying
-3D + 15 = 20

Reorder the terms:
15 + -3D = 20

Solving
15 + -3D = 20

Solving for variable 'D'.

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

Add '-15' to each side of the equation.
15 + -15 + -3D = 20 + -15

Combine like terms: 15 + -15 = 0
0 + -3D = 20 + -15
-3D = 20 + -15

Combine like terms: 20 + -15 = 5
-3D = 5

Divide each side by '-3'.
D = -1.666666667

Simplifying
D = -1.666666667

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