(8d-1)2=81

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Solution for (8d-1)2=81 equation:


Simplifying
(8d + -1) * 2 = 81

Reorder the terms:
(-1 + 8d) * 2 = 81

Reorder the terms for easier multiplication:
2(-1 + 8d) = 81
(-1 * 2 + 8d * 2) = 81
(-2 + 16d) = 81

Solving
-2 + 16d = 81

Solving for variable 'd'.

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

Add '2' to each side of the equation.
-2 + 2 + 16d = 81 + 2

Combine like terms: -2 + 2 = 0
0 + 16d = 81 + 2
16d = 81 + 2

Combine like terms: 81 + 2 = 83
16d = 83

Divide each side by '16'.
d = 5.1875

Simplifying
d = 5.1875

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