180=.4x+.8x

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Solution for 180=.4x+.8x equation:


Simplifying
180 = 0.4x + 0.8x

Combine like terms: 0.4x + 0.8x = 1.2x
180 = 1.2x

Solving
180 = 1.2x

Solving for variable 'x'.

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

Add '-1.2x' to each side of the equation.
180 + -1.2x = 1.2x + -1.2x

Combine like terms: 1.2x + -1.2x = 0.0
180 + -1.2x = 0.0

Add '-180' to each side of the equation.
180 + -180 + -1.2x = 0.0 + -180

Combine like terms: 180 + -180 = 0
0 + -1.2x = 0.0 + -180
-1.2x = 0.0 + -180

Combine like terms: 0.0 + -180 = -180
-1.2x = -180

Divide each side by '-1.2'.
x = 150

Simplifying
x = 150

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