21=6x-2xsq

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Solution for 21=6x-2xsq equation:


Simplifying
21 = 6x + -2xsq

Reorder the terms:
21 = -2qsx + 6x

Solving
21 = -2qsx + 6x

Solving for variable 'q'.

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

Add '2qsx' to each side of the equation.
21 + 2qsx = -2qsx + 2qsx + 6x

Combine like terms: -2qsx + 2qsx = 0
21 + 2qsx = 0 + 6x
21 + 2qsx = 6x

Add '-21' to each side of the equation.
21 + -21 + 2qsx = -21 + 6x

Combine like terms: 21 + -21 = 0
0 + 2qsx = -21 + 6x
2qsx = -21 + 6x

Divide each side by '2sx'.
q = -10.5s-1x-1 + 3s-1

Simplifying
q = -10.5s-1x-1 + 3s-1

Reorder the terms:
q = 3s-1 + -10.5s-1x-1

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