1-0.4x=0.8x

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Solution for 1-0.4x=0.8x equation:


Simplifying
1 + -0.4x = 0.8x

Solving
1 + -0.4x = 0.8x

Solving for variable 'x'.

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

Add '-0.8x' to each side of the equation.
1 + -0.4x + -0.8x = 0.8x + -0.8x

Combine like terms: -0.4x + -0.8x = -1.2x
1 + -1.2x = 0.8x + -0.8x

Combine like terms: 0.8x + -0.8x = 0.0
1 + -1.2x = 0.0

Add '-1' to each side of the equation.
1 + -1 + -1.2x = 0.0 + -1

Combine like terms: 1 + -1 = 0
0 + -1.2x = 0.0 + -1
-1.2x = 0.0 + -1

Combine like terms: 0.0 + -1 = -1
-1.2x = -1

Divide each side by '-1.2'.
x = 0.8333333333

Simplifying
x = 0.8333333333

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