Radx^2+21=2x

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Solution for Radx^2+21=2x equation: 


Simplifying
Radx2 + 21 = 2x

Reorder the terms:
21 + adx2R = 2x

Solving
21 + adx2R = 2x

Solving for variable 'a'.

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

Add '-21' to each side of the equation.
21 + -21 + adx2R = -21 + 2x

Combine like terms: 21 + -21 = 0
0 + adx2R = -21 + 2x
adx2R = -21 + 2x

Divide each side by 'dx2R'.
a = -21d-1x-2R-1 + 2d-1x-1R-1

Simplifying
a = -21d-1x-2R-1 + 2d-1x-1R-1

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