3x-4=9x

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Solution for 3x-4=9x equation:


Simplifying
3x + -4 = 9x

Reorder the terms:
-4 + 3x = 9x

Solving
-4 + 3x = 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
-4 + 3x + -9x = 9x + -9x

Combine like terms: 3x + -9x = -6x
-4 + -6x = 9x + -9x

Combine like terms: 9x + -9x = 0
-4 + -6x = 0

Add '4' to each side of the equation.
-4 + 4 + -6x = 0 + 4

Combine like terms: -4 + 4 = 0
0 + -6x = 0 + 4
-6x = 0 + 4

Combine like terms: 0 + 4 = 4
-6x = 4

Divide each side by '-6'.
x = -0.6666666667

Simplifying
x = -0.6666666667

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