12x-4.2=4x-8

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Solution for 12x-4.2=4x-8 equation: 


Simplifying
12x + -4.2 = 4x + -8

Reorder the terms:
-4.2 + 12x = 4x + -8

Reorder the terms:
-4.2 + 12x = -8 + 4x

Solving
-4.2 + 12x = -8 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
-4.2 + 12x + -4x = -8 + 4x + -4x

Combine like terms: 12x + -4x = 8x
-4.2 + 8x = -8 + 4x + -4x

Combine like terms: 4x + -4x = 0
-4.2 + 8x = -8 + 0
-4.2 + 8x = -8

Add '4.2' to each side of the equation.
-4.2 + 4.2 + 8x = -8 + 4.2

Combine like terms: -4.2 + 4.2 = 0.0
0.0 + 8x = -8 + 4.2
8x = -8 + 4.2

Combine like terms: -8 + 4.2 = -3.8
8x = -3.8

Divide each side by '8'.
x = -0.475

Simplifying
x = -0.475

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