3d-4=d+11

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Solution for 3d-4=d+11 equation:


Simplifying
3d + -4 = d + 11

Reorder the terms:
-4 + 3d = d + 11

Reorder the terms:
-4 + 3d = 11 + d

Solving
-4 + 3d = 11 + 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 = 11 + d + -1d

Combine like terms: 3d + -1d = 2d
-4 + 2d = 11 + d + -1d

Combine like terms: d + -1d = 0
-4 + 2d = 11 + 0
-4 + 2d = 11

Add '4' to each side of the equation.
-4 + 4 + 2d = 11 + 4

Combine like terms: -4 + 4 = 0
0 + 2d = 11 + 4
2d = 11 + 4

Combine like terms: 11 + 4 = 15
2d = 15

Divide each side by '2'.
d = 7.5

Simplifying
d = 7.5

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