9d+9=7d+27

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Solution for 9d+9=7d+27 equation:


Simplifying
9d + 9 = 7d + 27

Reorder the terms:
9 + 9d = 7d + 27

Reorder the terms:
9 + 9d = 27 + 7d

Solving
9 + 9d = 27 + 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 + 9d + -7d = 27 + 7d + -7d

Combine like terms: 9d + -7d = 2d
9 + 2d = 27 + 7d + -7d

Combine like terms: 7d + -7d = 0
9 + 2d = 27 + 0
9 + 2d = 27

Add '-9' to each side of the equation.
9 + -9 + 2d = 27 + -9

Combine like terms: 9 + -9 = 0
0 + 2d = 27 + -9
2d = 27 + -9

Combine like terms: 27 + -9 = 18
2d = 18

Divide each side by '2'.
d = 9

Simplifying
d = 9

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