11d-1=3(d+1)

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

Simplifying
11d + -1 = 3(d + 1)

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

Reorder the terms:
-1 + 11d = 3(1 + d)
-1 + 11d = (1 * 3 + d * 3)
-1 + 11d = (3 + 3d)

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

Combine like terms: 11d + -3d = 8d
-1 + 8d = 3 + 3d + -3d

Combine like terms: 3d + -3d = 0
-1 + 8d = 3 + 0
-1 + 8d = 3

Add '1' to each side of the equation.
-1 + 1 + 8d = 3 + 1

Combine like terms: -1 + 1 = 0
0 + 8d = 3 + 1
8d = 3 + 1

Combine like terms: 3 + 1 = 4
8d = 4

Divide each side by '8'.
d = 0.5

Simplifying
d = 0.5