27=d+12

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Solution for 27=d+12 equation:


Simplifying
27 = d + 12

Reorder the terms:
27 = 12 + d

Solving
27 = 12 + 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.
27 + -1d = 12 + d + -1d

Combine like terms: d + -1d = 0
27 + -1d = 12 + 0
27 + -1d = 12

Add '-27' to each side of the equation.
27 + -27 + -1d = 12 + -27

Combine like terms: 27 + -27 = 0
0 + -1d = 12 + -27
-1d = 12 + -27

Combine like terms: 12 + -27 = -15
-1d = -15

Divide each side by '-1'.
d = 15

Simplifying
d = 15

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