12d+3-9=12-6d

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


Simplifying
12d + 3 + -9 = 12 + -6d

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

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

Solving
-6 + 12d = 12 + -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.
-6 + 12d + 6d = 12 + -6d + 6d

Combine like terms: 12d + 6d = 18d
-6 + 18d = 12 + -6d + 6d

Combine like terms: -6d + 6d = 0
-6 + 18d = 12 + 0
-6 + 18d = 12

Add '6' to each side of the equation.
-6 + 6 + 18d = 12 + 6

Combine like terms: -6 + 6 = 0
0 + 18d = 12 + 6
18d = 12 + 6

Combine like terms: 12 + 6 = 18
18d = 18

Divide each side by '18'.
d = 1

Simplifying
d = 1

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