7d-5d=18

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Solution for 7d-5d=18 equation: 


Simplifying
7d + -5d = 18

Combine like terms: 7d + -5d = 2d
2d = 18

Solving
2d = 18

Solving for variable 'd'.

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

Divide each side by '2'.
d = 9

Simplifying
d = 9

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