7D-27=3+D

Solution for 7D-27=3+D equation:

Simplifying
7D + -27 = 3 + D

Reorder the terms:
-27 + 7D = 3 + D

Solving
-27 + 7D = 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.
-27 + 7D + -1D = 3 + D + -1D

Combine like terms: 7D + -1D = 6D
-27 + 6D = 3 + D + -1D

Combine like terms: D + -1D = 0
-27 + 6D = 3 + 0
-27 + 6D = 3

Add '27' to each side of the equation.
-27 + 27 + 6D = 3 + 27

Combine like terms: -27 + 27 = 0
0 + 6D = 3 + 27
6D = 3 + 27

Combine like terms: 3 + 27 = 30
6D = 30

Divide each side by '6'.
D = 5

Simplifying
D = 5