9D-5-5D=23

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Solution for 9D-5-5D=23 equation: 


Simplifying
9D + -5 + -5D = 23

Reorder the terms:
-5 + 9D + -5D = 23

Combine like terms: 9D + -5D = 4D
-5 + 4D = 23

Solving
-5 + 4D = 23

Solving for variable 'D'.

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

Add '5' to each side of the equation.
-5 + 5 + 4D = 23 + 5

Combine like terms: -5 + 5 = 0
0 + 4D = 23 + 5
4D = 23 + 5

Combine like terms: 23 + 5 = 28
4D = 28

Divide each side by '4'.
D = 7

Simplifying
D = 7

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