3x^2-9x=3x^2-6x-9

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Solution for 3x^2-9x=3x^2-6x-9 equation:


Simplifying
3x2 + -9x = 3x2 + -6x + -9

Reorder the terms:
-9x + 3x2 = 3x2 + -6x + -9

Reorder the terms:
-9x + 3x2 = -9 + -6x + 3x2

Add '-3x2' to each side of the equation.
-9x + 3x2 + -3x2 = -9 + -6x + 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
-9x + 0 = -9 + -6x + 3x2 + -3x2
-9x = -9 + -6x + 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
-9x = -9 + -6x + 0
-9x = -9 + -6x

Solving
-9x = -9 + -6x

Solving for variable 'x'.

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

Add '6x' to each side of the equation.
-9x + 6x = -9 + -6x + 6x

Combine like terms: -9x + 6x = -3x
-3x = -9 + -6x + 6x

Combine like terms: -6x + 6x = 0
-3x = -9 + 0
-3x = -9

Divide each side by '-3'.
x = 3

Simplifying
x = 3

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