3x+8=9x+12

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Solution for 3x+8=9x+12 equation:


Simplifying
3x + 8 = 9x + 12

Reorder the terms:
8 + 3x = 9x + 12

Reorder the terms:
8 + 3x = 12 + 9x

Solving
8 + 3x = 12 + 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.
8 + 3x + -9x = 12 + 9x + -9x

Combine like terms: 3x + -9x = -6x
8 + -6x = 12 + 9x + -9x

Combine like terms: 9x + -9x = 0
8 + -6x = 12 + 0
8 + -6x = 12

Add '-8' to each side of the equation.
8 + -8 + -6x = 12 + -8

Combine like terms: 8 + -8 = 0
0 + -6x = 12 + -8
-6x = 12 + -8

Combine like terms: 12 + -8 = 4
-6x = 4

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

Simplifying
x = -0.6666666667

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