0.4=2x+1.2

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Solution for 0.4=2x+1.2 equation:


Simplifying
0.4 = 2x + 1.2

Reorder the terms:
0.4 = 1.2 + 2x

Solving
0.4 = 1.2 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
0.4 + -2x = 1.2 + 2x + -2x

Combine like terms: 2x + -2x = 0
0.4 + -2x = 1.2 + 0
0.4 + -2x = 1.2

Add '-0.4' to each side of the equation.
0.4 + -0.4 + -2x = 1.2 + -0.4

Combine like terms: 0.4 + -0.4 = 0.0
0.0 + -2x = 1.2 + -0.4
-2x = 1.2 + -0.4

Combine like terms: 1.2 + -0.4 = 0.8
-2x = 0.8

Divide each side by '-2'.
x = -0.4

Simplifying
x = -0.4

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