9d-4=77

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Solution for 9d-4=77 equation: 


Simplifying
9d + -4 = 77

Reorder the terms:
-4 + 9d = 77

Solving
-4 + 9d = 77

Solving for variable 'd'.

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

Add '4' to each side of the equation.
-4 + 4 + 9d = 77 + 4

Combine like terms: -4 + 4 = 0
0 + 9d = 77 + 4
9d = 77 + 4

Combine like terms: 77 + 4 = 81
9d = 81

Divide each side by '9'.
d = 9

Simplifying
d = 9

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