d+n=2d+7

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Solution for d+n=2d+7 equation:


Simplifying
d + n = 2d + 7

Reorder the terms:
d + n = 7 + 2d

Solving
d + n = 7 + 2d

Solving for variable 'd'.

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

Add '-2d' to each side of the equation.
d + -2d + n = 7 + 2d + -2d

Combine like terms: d + -2d = -1d
-1d + n = 7 + 2d + -2d

Combine like terms: 2d + -2d = 0
-1d + n = 7 + 0
-1d + n = 7

Add '-1n' to each side of the equation.
-1d + n + -1n = 7 + -1n

Combine like terms: n + -1n = 0
-1d + 0 = 7 + -1n
-1d = 7 + -1n

Divide each side by '-1'.
d = -7 + n

Simplifying
d = -7 + n

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