0.4-0.2x+0.3=-0.9

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Solution for 0.4-0.2x+0.3=-0.9 equation: 


Simplifying
0.4 + -0.2x + 0.3 = -0.9

Reorder the terms:
0.4 + 0.3 + -0.2x = -0.9

Combine like terms: 0.4 + 0.3 = 0.7
0.7 + -0.2x = -0.9

Solving
0.7 + -0.2x = -0.9

Solving for variable 'x'.

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

Add '-0.7' to each side of the equation.
0.7 + -0.7 + -0.2x = -0.9 + -0.7

Combine like terms: 0.7 + -0.7 = 0.0
0.0 + -0.2x = -0.9 + -0.7
-0.2x = -0.9 + -0.7

Combine like terms: -0.9 + -0.7 = -1.6
-0.2x = -1.6

Divide each side by '-0.2'.
x = 8

Simplifying
x = 8

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