x-(-.4)=20.6

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Solution for x-(-.4)=20.6 equation: 


Simplifying
x + -1(-0.4) = 20.6

Multiply -1 * -0.4
x + 0.4 = 20.6

Reorder the terms:
0.4 + x = 20.6

Solving
0.4 + x = 20.6

Solving for variable 'x'.

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

Add '-0.4' to each side of the equation.
0.4 + -0.4 + x = 20.6 + -0.4

Combine like terms: 0.4 + -0.4 = 0.0
0.0 + x = 20.6 + -0.4
x = 20.6 + -0.4

Combine like terms: 20.6 + -0.4 = 20.2
x = 20.2

Simplifying
x = 20.2

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