.3x-.8x-39=1

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Solution for .3x-.8x-39=1 equation:


Simplifying
0.3x + -0.8x + -39 = 1

Reorder the terms:
-39 + 0.3x + -0.8x = 1

Combine like terms: 0.3x + -0.8x = -0.5x
-39 + -0.5x = 1

Solving
-39 + -0.5x = 1

Solving for variable 'x'.

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

Add '39' to each side of the equation.
-39 + 39 + -0.5x = 1 + 39

Combine like terms: -39 + 39 = 0
0 + -0.5x = 1 + 39
-0.5x = 1 + 39

Combine like terms: 1 + 39 = 40
-0.5x = 40

Divide each side by '-0.5'.
x = -80

Simplifying
x = -80

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