11D+7=5D+31

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Solution for 11D+7=5D+31 equation:


Simplifying
11D + 7 = 5D + 31

Reorder the terms:
7 + 11D = 5D + 31

Reorder the terms:
7 + 11D = 31 + 5D

Solving
7 + 11D = 31 + 5D

Solving for variable 'D'.

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

Add '-5D' to each side of the equation.
7 + 11D + -5D = 31 + 5D + -5D

Combine like terms: 11D + -5D = 6D
7 + 6D = 31 + 5D + -5D

Combine like terms: 5D + -5D = 0
7 + 6D = 31 + 0
7 + 6D = 31

Add '-7' to each side of the equation.
7 + -7 + 6D = 31 + -7

Combine like terms: 7 + -7 = 0
0 + 6D = 31 + -7
6D = 31 + -7

Combine like terms: 31 + -7 = 24
6D = 24

Divide each side by '6'.
D = 4

Simplifying
D = 4

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