12d+9=3d+36

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Solution for 12d+9=3d+36 equation:


Simplifying
12d + 9 = 3d + 36

Reorder the terms:
9 + 12d = 3d + 36

Reorder the terms:
9 + 12d = 36 + 3d

Solving
9 + 12d = 36 + 3d

Solving for variable 'd'.

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

Add '-3d' to each side of the equation.
9 + 12d + -3d = 36 + 3d + -3d

Combine like terms: 12d + -3d = 9d
9 + 9d = 36 + 3d + -3d

Combine like terms: 3d + -3d = 0
9 + 9d = 36 + 0
9 + 9d = 36

Add '-9' to each side of the equation.
9 + -9 + 9d = 36 + -9

Combine like terms: 9 + -9 = 0
0 + 9d = 36 + -9
9d = 36 + -9

Combine like terms: 36 + -9 = 27
9d = 27

Divide each side by '9'.
d = 3

Simplifying
d = 3

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