G(-b)=(x)2-r

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Solution for G(-b)=(x)2-r equation: 


Simplifying
G(-1b) = (x) * 2 + -1r

Remove parenthesis around (-1b)
G * -1b = (x) * 2 + -1r

Reorder the terms for easier multiplication:
-1G * b = (x) * 2 + -1r

Multiply G * b
-1bG = (x) * 2 + -1r

Reorder the terms for easier multiplication:
-1bG = 2x + -1r

Reorder the terms:
-1bG = -1r + 2x

Solving
-1bG = -1r + 2x

Solving for variable 'b'.

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

Divide each side by '-1G'.
b = rG-1 + -2xG-1

Simplifying
b = rG-1 + -2xG-1

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