2d=d+30

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Solution for 2d=d+30 equation: 


Simplifying
2d = d + 30

Reorder the terms:
2d = 30 + d

Solving
2d = 30 + d

Solving for variable 'd'.

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

Add '-1d' to each side of the equation.
2d + -1d = 30 + d + -1d

Combine like terms: 2d + -1d = 1d
1d = 30 + d + -1d

Combine like terms: d + -1d = 0
1d = 30 + 0
1d = 30

Divide each side by '1'.
d = 30

Simplifying
d = 30

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