3d+5=77-9d

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Solution for 3d+5=77-9d equation:


Simplifying
3d + 5 = 77 + -9d

Reorder the terms:
5 + 3d = 77 + -9d

Solving
5 + 3d = 77 + -9d

Solving for variable 'd'.

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

Add '9d' to each side of the equation.
5 + 3d + 9d = 77 + -9d + 9d

Combine like terms: 3d + 9d = 12d
5 + 12d = 77 + -9d + 9d

Combine like terms: -9d + 9d = 0
5 + 12d = 77 + 0
5 + 12d = 77

Add '-5' to each side of the equation.
5 + -5 + 12d = 77 + -5

Combine like terms: 5 + -5 = 0
0 + 12d = 77 + -5
12d = 77 + -5

Combine like terms: 77 + -5 = 72
12d = 72

Divide each side by '12'.
d = 6

Simplifying
d = 6

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