-y^2+3x-12y-21=0

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Solution for -y^2+3x-12y-21=0 equation:


Simplifying
-1y2 + 3x + -12y + -21 = 0

Reorder the terms:
-21 + 3x + -12y + -1y2 = 0

Solving
-21 + 3x + -12y + -1y2 = 0

Solving for variable 'x'.

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

Add '21' to each side of the equation.
-21 + 3x + -12y + 21 + -1y2 = 0 + 21

Reorder the terms:
-21 + 21 + 3x + -12y + -1y2 = 0 + 21

Combine like terms: -21 + 21 = 0
0 + 3x + -12y + -1y2 = 0 + 21
3x + -12y + -1y2 = 0 + 21

Combine like terms: 0 + 21 = 21
3x + -12y + -1y2 = 21

Add '12y' to each side of the equation.
3x + -12y + 12y + -1y2 = 21 + 12y

Combine like terms: -12y + 12y = 0
3x + 0 + -1y2 = 21 + 12y
3x + -1y2 = 21 + 12y

Add 'y2' to each side of the equation.
3x + -1y2 + y2 = 21 + 12y + y2

Combine like terms: -1y2 + y2 = 0
3x + 0 = 21 + 12y + y2
3x = 21 + 12y + y2

Divide each side by '3'.
x = 7 + 4y + 0.3333333333y2

Simplifying
x = 7 + 4y + 0.3333333333y2

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