3d-7d=28

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Solution for 3d-7d=28 equation: 


Simplifying
3d + -7d = 28

Combine like terms: 3d + -7d = -4d
-4d = 28

Solving
-4d = 28

Solving for variable 'd'.

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

Divide each side by '-4'.
d = -7

Simplifying
d = -7

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