-3x-.4=.8

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Solution for -3x-.4=.8 equation:


Simplifying
-3x + -0.4 = 0.8

Reorder the terms:
-0.4 + -3x = 0.8

Solving
-0.4 + -3x = 0.8

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 + -3x = 0.8 + 0.4

Combine like terms: -0.4 + 0.4 = 0.0
0.0 + -3x = 0.8 + 0.4
-3x = 0.8 + 0.4

Combine like terms: 0.8 + 0.4 = 1.2
-3x = 1.2

Divide each side by '-3'.
x = -0.4

Simplifying
x = -0.4

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