12d+9=7d+29

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Solution for 12d+9=7d+29 equation:


Simplifying
12d + 9 = 7d + 29

Reorder the terms:
9 + 12d = 7d + 29

Reorder the terms:
9 + 12d = 29 + 7d

Solving
9 + 12d = 29 + 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.
9 + 12d + -7d = 29 + 7d + -7d

Combine like terms: 12d + -7d = 5d
9 + 5d = 29 + 7d + -7d

Combine like terms: 7d + -7d = 0
9 + 5d = 29 + 0
9 + 5d = 29

Add '-9' to each side of the equation.
9 + -9 + 5d = 29 + -9

Combine like terms: 9 + -9 = 0
0 + 5d = 29 + -9
5d = 29 + -9

Combine like terms: 29 + -9 = 20
5d = 20

Divide each side by '5'.
d = 4

Simplifying
d = 4

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