.4x+1.2=-3x-1.8

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Solution for .4x+1.2=-3x-1.8 equation:


Simplifying
0.4x + 1.2 = -3x + -1.8

Reorder the terms:
1.2 + 0.4x = -3x + -1.8

Reorder the terms:
1.2 + 0.4x = -1.8 + -3x

Solving
1.2 + 0.4x = -1.8 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
1.2 + 0.4x + 3x = -1.8 + -3x + 3x

Combine like terms: 0.4x + 3x = 3.4x
1.2 + 3.4x = -1.8 + -3x + 3x

Combine like terms: -3x + 3x = 0
1.2 + 3.4x = -1.8 + 0
1.2 + 3.4x = -1.8

Add '-1.2' to each side of the equation.
1.2 + -1.2 + 3.4x = -1.8 + -1.2

Combine like terms: 1.2 + -1.2 = 0.0
0.0 + 3.4x = -1.8 + -1.2
3.4x = -1.8 + -1.2

Combine like terms: -1.8 + -1.2 = -3
3.4x = -3

Divide each side by '3.4'.
x = -0.8823529412

Simplifying
x = -0.8823529412

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