3d-1=d+11

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Solution for 3d-1=d+11 equation:


Simplifying
3d + -1 = d + 11

Reorder the terms:
-1 + 3d = d + 11

Reorder the terms:
-1 + 3d = 11 + d

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

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

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

Add '1' to each side of the equation.
-1 + 1 + 2d = 11 + 1

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

Combine like terms: 11 + 1 = 12
2d = 12

Divide each side by '2'.
d = 6

Simplifying
d = 6

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