12d+3=6d+9

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Solution for 12d+3=6d+9 equation:


Simplifying
12d + 3 = 6d + 9

Reorder the terms:
3 + 12d = 6d + 9

Reorder the terms:
3 + 12d = 9 + 6d

Solving
3 + 12d = 9 + 6d

Solving for variable 'd'.

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

Add '-6d' to each side of the equation.
3 + 12d + -6d = 9 + 6d + -6d

Combine like terms: 12d + -6d = 6d
3 + 6d = 9 + 6d + -6d

Combine like terms: 6d + -6d = 0
3 + 6d = 9 + 0
3 + 6d = 9

Add '-3' to each side of the equation.
3 + -3 + 6d = 9 + -3

Combine like terms: 3 + -3 = 0
0 + 6d = 9 + -3
6d = 9 + -3

Combine like terms: 9 + -3 = 6
6d = 6

Divide each side by '6'.
d = 1

Simplifying
d = 1

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