9d+6=7d+12

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Solution for 9d+6=7d+12 equation:


Simplifying
9d + 6 = 7d + 12

Reorder the terms:
6 + 9d = 7d + 12

Reorder the terms:
6 + 9d = 12 + 7d

Solving
6 + 9d = 12 + 7d

Solving for variable 'd'.

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

Add '-7d' to each side of the equation.
6 + 9d + -7d = 12 + 7d + -7d

Combine like terms: 9d + -7d = 2d
6 + 2d = 12 + 7d + -7d

Combine like terms: 7d + -7d = 0
6 + 2d = 12 + 0
6 + 2d = 12

Add '-6' to each side of the equation.
6 + -6 + 2d = 12 + -6

Combine like terms: 6 + -6 = 0
0 + 2d = 12 + -6
2d = 12 + -6

Combine like terms: 12 + -6 = 6
2d = 6

Divide each side by '2'.
d = 3

Simplifying
d = 3

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