.3=-x

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Solution for .3=-x equation: 


Simplifying
0.3 = -1x

Solving
0.3 = -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
0.3 + x = -1x + x

Combine like terms: -1x + x = 0
0.3 + x = 0

Add '-0.3' to each side of the equation.
0.3 + -0.3 + x = 0 + -0.3

Combine like terms: 0.3 + -0.3 = 0.0
0.0 + x = 0 + -0.3
x = 0 + -0.3

Combine like terms: 0 + -0.3 = -0.3
x = -0.3

Simplifying
x = -0.3

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