0.3x+12=0.1x+0.4

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Solution for 0.3x+12=0.1x+0.4 equation: 


Simplifying
0.3x + 12 = 0.1x + 0.4

Reorder the terms:
12 + 0.3x = 0.1x + 0.4

Reorder the terms:
12 + 0.3x = 0.4 + 0.1x

Solving
12 + 0.3x = 0.4 + 0.1x

Solving for variable 'x'.

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

Add '-0.1x' to each side of the equation.
12 + 0.3x + -0.1x = 0.4 + 0.1x + -0.1x

Combine like terms: 0.3x + -0.1x = 0.2x
12 + 0.2x = 0.4 + 0.1x + -0.1x

Combine like terms: 0.1x + -0.1x = 0.0
12 + 0.2x = 0.4 + 0.0
12 + 0.2x = 0.4

Add '-12' to each side of the equation.
12 + -12 + 0.2x = 0.4 + -12

Combine like terms: 12 + -12 = 0
0 + 0.2x = 0.4 + -12
0.2x = 0.4 + -12

Combine like terms: 0.4 + -12 = -11.6
0.2x = -11.6

Divide each side by '0.2'.
x = -58

Simplifying
x = -58

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