0.4x+1.2=0.8x-2.4

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Solution for 0.4x+1.2=0.8x-2.4 equation: 


Simplifying
0.4x + 1.2 = 0.8x + -2.4

Reorder the terms:
1.2 + 0.4x = 0.8x + -2.4

Reorder the terms:
1.2 + 0.4x = -2.4 + 0.8x

Solving
1.2 + 0.4x = -2.4 + 0.8x

Solving for variable 'x'.

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

Add '-0.8x' to each side of the equation.
1.2 + 0.4x + -0.8x = -2.4 + 0.8x + -0.8x

Combine like terms: 0.4x + -0.8x = -0.4x
1.2 + -0.4x = -2.4 + 0.8x + -0.8x

Combine like terms: 0.8x + -0.8x = 0.0
1.2 + -0.4x = -2.4 + 0.0
1.2 + -0.4x = -2.4

Add '-1.2' to each side of the equation.
1.2 + -1.2 + -0.4x = -2.4 + -1.2

Combine like terms: 1.2 + -1.2 = 0.0
0.0 + -0.4x = -2.4 + -1.2
-0.4x = -2.4 + -1.2

Combine like terms: -2.4 + -1.2 = -3.6
-0.4x = -3.6

Divide each side by '-0.4'.
x = 9

Simplifying
x = 9

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