5d+9-4d=51-5d

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Solution for 5d+9-4d=51-5d equation:


Simplifying
5d + 9 + -4d = 51 + -5d

Reorder the terms:
9 + 5d + -4d = 51 + -5d

Combine like terms: 5d + -4d = 1d
9 + 1d = 51 + -5d

Solving
9 + 1d = 51 + -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.
9 + 1d + 5d = 51 + -5d + 5d

Combine like terms: 1d + 5d = 6d
9 + 6d = 51 + -5d + 5d

Combine like terms: -5d + 5d = 0
9 + 6d = 51 + 0
9 + 6d = 51

Add '-9' to each side of the equation.
9 + -9 + 6d = 51 + -9

Combine like terms: 9 + -9 = 0
0 + 6d = 51 + -9
6d = 51 + -9

Combine like terms: 51 + -9 = 42
6d = 42

Divide each side by '6'.
d = 7

Simplifying
d = 7

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