3d+8+2d=3d-31

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Solution for 3d+8+2d=3d-31 equation:


Simplifying
3d + 8 + 2d = 3d + -31

Reorder the terms:
8 + 3d + 2d = 3d + -31

Combine like terms: 3d + 2d = 5d
8 + 5d = 3d + -31

Reorder the terms:
8 + 5d = -31 + 3d

Solving
8 + 5d = -31 + 3d

Solving for variable 'd'.

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

Add '-3d' to each side of the equation.
8 + 5d + -3d = -31 + 3d + -3d

Combine like terms: 5d + -3d = 2d
8 + 2d = -31 + 3d + -3d

Combine like terms: 3d + -3d = 0
8 + 2d = -31 + 0
8 + 2d = -31

Add '-8' to each side of the equation.
8 + -8 + 2d = -31 + -8

Combine like terms: 8 + -8 = 0
0 + 2d = -31 + -8
2d = -31 + -8

Combine like terms: -31 + -8 = -39
2d = -39

Divide each side by '2'.
d = -19.5

Simplifying
d = -19.5

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