3x+4=12x+16

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Solution for 3x+4=12x+16 equation: 


Simplifying
3x + 4 = 12x + 16

Reorder the terms:
4 + 3x = 12x + 16

Reorder the terms:
4 + 3x = 16 + 12x

Solving
4 + 3x = 16 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
4 + 3x + -12x = 16 + 12x + -12x

Combine like terms: 3x + -12x = -9x
4 + -9x = 16 + 12x + -12x

Combine like terms: 12x + -12x = 0
4 + -9x = 16 + 0
4 + -9x = 16

Add '-4' to each side of the equation.
4 + -4 + -9x = 16 + -4

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

Combine like terms: 16 + -4 = 12
-9x = 12

Divide each side by '-9'.
x = -1.333333333

Simplifying
x = -1.333333333

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