6d+9=5d+18

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Solution for 6d+9=5d+18 equation:


Simplifying
6d + 9 = 5d + 18

Reorder the terms:
9 + 6d = 5d + 18

Reorder the terms:
9 + 6d = 18 + 5d

Solving
9 + 6d = 18 + 5d

Solving for variable 'd'.

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

Add '-5d' to each side of the equation.
9 + 6d + -5d = 18 + 5d + -5d

Combine like terms: 6d + -5d = 1d
9 + 1d = 18 + 5d + -5d

Combine like terms: 5d + -5d = 0
9 + 1d = 18 + 0
9 + 1d = 18

Add '-9' to each side of the equation.
9 + -9 + 1d = 18 + -9

Combine like terms: 9 + -9 = 0
0 + 1d = 18 + -9
1d = 18 + -9

Combine like terms: 18 + -9 = 9
1d = 9

Divide each side by '1'.
d = 9

Simplifying
d = 9

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