3x+16=9x-4

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Solution for 3x+16=9x-4 equation:


Simplifying
3x + 16 = 9x + -4

Reorder the terms:
16 + 3x = 9x + -4

Reorder the terms:
16 + 3x = -4 + 9x

Solving
16 + 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.
16 + 3x + -9x = -4 + 9x + -9x

Combine like terms: 3x + -9x = -6x
16 + -6x = -4 + 9x + -9x

Combine like terms: 9x + -9x = 0
16 + -6x = -4 + 0
16 + -6x = -4

Add '-16' to each side of the equation.
16 + -16 + -6x = -4 + -16

Combine like terms: 16 + -16 = 0
0 + -6x = -4 + -16
-6x = -4 + -16

Combine like terms: -4 + -16 = -20
-6x = -20

Divide each side by '-6'.
x = 3.333333333

Simplifying
x = 3.333333333

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