3x+4=9x-4

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Solution for 3x+4=9x-4 equation:


Simplifying
3x + 4 = 9x + -4

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

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

Solving
4 + 3x = -4 + 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 = -4 + 9x + -9x

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

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

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

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

Combine like terms: -4 + -4 = -8
-6x = -8

Divide each side by '-6'.
x = 1.333333333

Simplifying
x = 1.333333333

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