3d+4d+5d=6d+7d+8

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Solution for 3d+4d+5d=6d+7d+8 equation:


Simplifying
3d + 4d + 5d = 6d + 7d + 8

Combine like terms: 3d + 4d = 7d
7d + 5d = 6d + 7d + 8

Combine like terms: 7d + 5d = 12d
12d = 6d + 7d + 8

Reorder the terms:
12d = 8 + 6d + 7d

Combine like terms: 6d + 7d = 13d
12d = 8 + 13d

Solving
12d = 8 + 13d

Solving for variable 'd'.

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

Add '-13d' to each side of the equation.
12d + -13d = 8 + 13d + -13d

Combine like terms: 12d + -13d = -1d
-1d = 8 + 13d + -13d

Combine like terms: 13d + -13d = 0
-1d = 8 + 0
-1d = 8

Divide each side by '-1'.
d = -8

Simplifying
d = -8

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