5x-4.2+x=1.2+3x-1.2

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Solution for 5x-4.2+x=1.2+3x-1.2 equation: 


Simplifying
5x + -4.2 + x = 1.2 + 3x + -1.2

Reorder the terms:
-4.2 + 5x + x = 1.2 + 3x + -1.2

Combine like terms: 5x + x = 6x
-4.2 + 6x = 1.2 + 3x + -1.2

Reorder the terms:
-4.2 + 6x = 1.2 + -1.2 + 3x

Combine like terms: 1.2 + -1.2 = 0.0
-4.2 + 6x = 0.0 + 3x
-4.2 + 6x = 3x

Solving
-4.2 + 6x = 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-4.2 + 6x + -3x = 3x + -3x

Combine like terms: 6x + -3x = 3x
-4.2 + 3x = 3x + -3x

Combine like terms: 3x + -3x = 0
-4.2 + 3x = 0

Add '4.2' to each side of the equation.
-4.2 + 4.2 + 3x = 0 + 4.2

Combine like terms: -4.2 + 4.2 = 0.0
0.0 + 3x = 0 + 4.2
3x = 0 + 4.2

Combine like terms: 0 + 4.2 = 4.2
3x = 4.2

Divide each side by '3'.
x = 1.4

Simplifying
x = 1.4

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