x+sqrt(x-9)=21

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Solution for x+sqrt(x-9)=21 equation:


Simplifying
x + sqrt(x + -9) = 21

Reorder the terms:
x + qrst(-9 + x) = 21
x + (-9 * qrst + x * qrst) = 21
x + (-9qrst + qrstx) = 21

Reorder the terms:
-9qrst + qrstx + x = 21

Solving
-9qrst + qrstx + x = 21

Solving for variable 'q'.

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

Add '-1x' to each side of the equation.
-9qrst + qrstx + x + -1x = 21 + -1x

Combine like terms: x + -1x = 0
-9qrst + qrstx + 0 = 21 + -1x
-9qrst + qrstx = 21 + -1x

Reorder the terms:
-21 + -9qrst + qrstx + x = 21 + -1x + -21 + x

Reorder the terms:
-21 + -9qrst + qrstx + x = 21 + -21 + -1x + x

Combine like terms: 21 + -21 = 0
-21 + -9qrst + qrstx + x = 0 + -1x + x
-21 + -9qrst + qrstx + x = -1x + x

Combine like terms: -1x + x = 0
-21 + -9qrst + qrstx + x = 0

The solution to this equation could not be determined.

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