3d-4=3+d

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Solution for 3d-4=3+d equation:


Simplifying
3d + -4 = 3 + d

Reorder the terms:
-4 + 3d = 3 + d

Solving
-4 + 3d = 3 + d

Solving for variable 'd'.

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

Add '-1d' to each side of the equation.
-4 + 3d + -1d = 3 + d + -1d

Combine like terms: 3d + -1d = 2d
-4 + 2d = 3 + d + -1d

Combine like terms: d + -1d = 0
-4 + 2d = 3 + 0
-4 + 2d = 3

Add '4' to each side of the equation.
-4 + 4 + 2d = 3 + 4

Combine like terms: -4 + 4 = 0
0 + 2d = 3 + 4
2d = 3 + 4

Combine like terms: 3 + 4 = 7
2d = 7

Divide each side by '2'.
d = 3.5

Simplifying
d = 3.5

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