4x+1.2-2.5x=0.3x-4.2

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Solution for 4x+1.2-2.5x=0.3x-4.2 equation: 


Simplifying
4x + 1.2 + -2.5x = 0.3x + -4.2

Reorder the terms:
1.2 + 4x + -2.5x = 0.3x + -4.2

Combine like terms: 4x + -2.5x = 1.5x
1.2 + 1.5x = 0.3x + -4.2

Reorder the terms:
1.2 + 1.5x = -4.2 + 0.3x

Solving
1.2 + 1.5x = -4.2 + 0.3x

Solving for variable 'x'.

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

Add '-0.3x' to each side of the equation.
1.2 + 1.5x + -0.3x = -4.2 + 0.3x + -0.3x

Combine like terms: 1.5x + -0.3x = 1.2x
1.2 + 1.2x = -4.2 + 0.3x + -0.3x

Combine like terms: 0.3x + -0.3x = 0.0
1.2 + 1.2x = -4.2 + 0.0
1.2 + 1.2x = -4.2

Add '-1.2' to each side of the equation.
1.2 + -1.2 + 1.2x = -4.2 + -1.2

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

Combine like terms: -4.2 + -1.2 = -5.4
1.2x = -5.4

Divide each side by '1.2'.
x = -4.5

Simplifying
x = -4.5

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