3x-1.2=2.8x-0.42

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Solution for 3x-1.2=2.8x-0.42 equation:


Simplifying
3x + -1.2 = 2.8x + -0.42

Reorder the terms:
-1.2 + 3x = 2.8x + -0.42

Reorder the terms:
-1.2 + 3x = -0.42 + 2.8x

Solving
-1.2 + 3x = -0.42 + 2.8x

Solving for variable 'x'.

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

Add '-2.8x' to each side of the equation.
-1.2 + 3x + -2.8x = -0.42 + 2.8x + -2.8x

Combine like terms: 3x + -2.8x = 0.2x
-1.2 + 0.2x = -0.42 + 2.8x + -2.8x

Combine like terms: 2.8x + -2.8x = 0.0
-1.2 + 0.2x = -0.42 + 0.0
-1.2 + 0.2x = -0.42

Add '1.2' to each side of the equation.
-1.2 + 1.2 + 0.2x = -0.42 + 1.2

Combine like terms: -1.2 + 1.2 = 0.0
0.0 + 0.2x = -0.42 + 1.2
0.2x = -0.42 + 1.2

Combine like terms: -0.42 + 1.2 = 0.78
0.2x = 0.78

Divide each side by '0.2'.
x = 3.9

Simplifying
x = 3.9

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