9d+9=6d+12

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


Simplifying
9d + 9 = 6d + 12

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

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

Solving
9 + 9d = 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.
9 + 9d + -6d = 12 + 6d + -6d

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

Combine like terms: 6d + -6d = 0
9 + 3d = 12 + 0
9 + 3d = 12

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

Combine like terms: 9 + -9 = 0
0 + 3d = 12 + -9
3d = 12 + -9

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

Divide each side by '3'.
d = 1

Simplifying
d = 1

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