7d-9=82

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Solution for 7d-9=82 equation: 


Simplifying
7d + -9 = 82

Reorder the terms:
-9 + 7d = 82

Solving
-9 + 7d = 82

Solving for variable 'd'.

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

Add '9' to each side of the equation.
-9 + 9 + 7d = 82 + 9

Combine like terms: -9 + 9 = 0
0 + 7d = 82 + 9
7d = 82 + 9

Combine like terms: 82 + 9 = 91
7d = 91

Divide each side by '7'.
d = 13

Simplifying
d = 13

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