x^2-20d+99=0

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Solution for x^2-20d+99=0 equation:


Simplifying
x2 + -20d + 99 = 0

Reorder the terms:
99 + -20d + x2 = 0

Solving
99 + -20d + x2 = 0

Solving for variable 'd'.

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

Add '-99' to each side of the equation.
99 + -20d + -99 + x2 = 0 + -99

Reorder the terms:
99 + -99 + -20d + x2 = 0 + -99

Combine like terms: 99 + -99 = 0
0 + -20d + x2 = 0 + -99
-20d + x2 = 0 + -99

Combine like terms: 0 + -99 = -99
-20d + x2 = -99

Add '-1x2' to each side of the equation.
-20d + x2 + -1x2 = -99 + -1x2

Combine like terms: x2 + -1x2 = 0
-20d + 0 = -99 + -1x2
-20d = -99 + -1x2

Divide each side by '-20'.
d = 4.95 + 0.05x2

Simplifying
d = 4.95 + 0.05x2

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