0.4x+80=x+20

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Solution for 0.4x+80=x+20 equation:


Simplifying
0.4x + 80 = x + 20

Reorder the terms:
80 + 0.4x = x + 20

Reorder the terms:
80 + 0.4x = 20 + x

Solving
80 + 0.4x = 20 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
80 + 0.4x + -1x = 20 + x + -1x

Combine like terms: 0.4x + -1x = -0.6x
80 + -0.6x = 20 + x + -1x

Combine like terms: x + -1x = 0
80 + -0.6x = 20 + 0
80 + -0.6x = 20

Add '-80' to each side of the equation.
80 + -80 + -0.6x = 20 + -80

Combine like terms: 80 + -80 = 0
0 + -0.6x = 20 + -80
-0.6x = 20 + -80

Combine like terms: 20 + -80 = -60
-0.6x = -60

Divide each side by '-0.6'.
x = 100

Simplifying
x = 100

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