12d+8=9d+17

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Solution for 12d+8=9d+17 equation:


Simplifying
12d + 8 = 9d + 17

Reorder the terms:
8 + 12d = 9d + 17

Reorder the terms:
8 + 12d = 17 + 9d

Solving
8 + 12d = 17 + 9d

Solving for variable 'd'.

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

Add '-9d' to each side of the equation.
8 + 12d + -9d = 17 + 9d + -9d

Combine like terms: 12d + -9d = 3d
8 + 3d = 17 + 9d + -9d

Combine like terms: 9d + -9d = 0
8 + 3d = 17 + 0
8 + 3d = 17

Add '-8' to each side of the equation.
8 + -8 + 3d = 17 + -8

Combine like terms: 8 + -8 = 0
0 + 3d = 17 + -8
3d = 17 + -8

Combine like terms: 17 + -8 = 9
3d = 9

Divide each side by '3'.
d = 3

Simplifying
d = 3

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