4d=30-d

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Solution for 4d=30-d equation:


Simplifying
4d = 30 + -1d

Solving
4d = 30 + -1d

Solving for variable 'd'.

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

Add 'd' to each side of the equation.
4d + d = 30 + -1d + d

Combine like terms: 4d + d = 5d
5d = 30 + -1d + d

Combine like terms: -1d + d = 0
5d = 30 + 0
5d = 30

Divide each side by '5'.
d = 6

Simplifying
d = 6

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