6.8x-15.3+4.2x=6.4+12x

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Solution for 6.8x-15.3+4.2x=6.4+12x equation: 


Simplifying
6.8x + -15.3 + 4.2x = 6.4 + 12x

Reorder the terms:
-15.3 + 6.8x + 4.2x = 6.4 + 12x

Combine like terms: 6.8x + 4.2x = 11x
-15.3 + 11x = 6.4 + 12x

Solving
-15.3 + 11x = 6.4 + 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.
-15.3 + 11x + -12x = 6.4 + 12x + -12x

Combine like terms: 11x + -12x = -1x
-15.3 + -1x = 6.4 + 12x + -12x

Combine like terms: 12x + -12x = 0
-15.3 + -1x = 6.4 + 0
-15.3 + -1x = 6.4

Add '15.3' to each side of the equation.
-15.3 + 15.3 + -1x = 6.4 + 15.3

Combine like terms: -15.3 + 15.3 = 0.0
0.0 + -1x = 6.4 + 15.3
-1x = 6.4 + 15.3

Combine like terms: 6.4 + 15.3 = 21.7
-1x = 21.7

Divide each side by '-1'.
x = -21.7

Simplifying
x = -21.7

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