18d+9=9d+72

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Solution for 18d+9=9d+72 equation:


Simplifying
18d + 9 = 9d + 72

Reorder the terms:
9 + 18d = 9d + 72

Reorder the terms:
9 + 18d = 72 + 9d

Solving
9 + 18d = 72 + 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.
9 + 18d + -9d = 72 + 9d + -9d

Combine like terms: 18d + -9d = 9d
9 + 9d = 72 + 9d + -9d

Combine like terms: 9d + -9d = 0
9 + 9d = 72 + 0
9 + 9d = 72

Add '-9' to each side of the equation.
9 + -9 + 9d = 72 + -9

Combine like terms: 9 + -9 = 0
0 + 9d = 72 + -9
9d = 72 + -9

Combine like terms: 72 + -9 = 63
9d = 63

Divide each side by '9'.
d = 7

Simplifying
d = 7

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