180-x=0.8x

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Solution for 180-x=0.8x equation:


Simplifying
180 + -1x = 0.8x

Solving
180 + -1x = 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.
180 + -1x + -0.8x = 0.8x + -0.8x

Combine like terms: -1x + -0.8x = -1.8x
180 + -1.8x = 0.8x + -0.8x

Combine like terms: 0.8x + -0.8x = 0.0
180 + -1.8x = 0.0

Add '-180' to each side of the equation.
180 + -180 + -1.8x = 0.0 + -180

Combine like terms: 180 + -180 = 0
0 + -1.8x = 0.0 + -180
-1.8x = 0.0 + -180

Combine like terms: 0.0 + -180 = -180
-1.8x = -180

Divide each side by '-1.8'.
x = 100

Simplifying
x = 100

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