3d=8+7d

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Solution for 3d=8+7d equation: 


Simplifying
3d = 8 + 7d

Solving
3d = 8 + 7d

Solving for variable 'd'.

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

Add '-7d' to each side of the equation.
3d + -7d = 8 + 7d + -7d

Combine like terms: 3d + -7d = -4d
-4d = 8 + 7d + -7d

Combine like terms: 7d + -7d = 0
-4d = 8 + 0
-4d = 8

Divide each side by '-4'.
d = -2

Simplifying
d = -2

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