x^2-a+b=0

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Solution for x^2-a+b=0 equation:


Simplifying
x2 + -1a + b = 0

Reorder the terms:
-1a + b + x2 = 0

Solving
-1a + b + x2 = 0

Solving for variable 'a'.

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

Add '-1b' to each side of the equation.
-1a + b + -1b + x2 = 0 + -1b

Combine like terms: b + -1b = 0
-1a + 0 + x2 = 0 + -1b
-1a + x2 = 0 + -1b
Remove the zero:
-1a + x2 = -1b

Add '-1x2' to each side of the equation.
-1a + x2 + -1x2 = -1b + -1x2

Combine like terms: x2 + -1x2 = 0
-1a + 0 = -1b + -1x2
-1a = -1b + -1x2

Divide each side by '-1'.
a = b + x2

Simplifying
a = b + x2

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