.2(x+80)+.4x=25

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Solution for .2(x+80)+.4x=25 equation: 


Simplifying
0.2(x + 80) + 0.4x = 25

Reorder the terms:
0.2(80 + x) + 0.4x = 25
(80 * 0.2 + x * 0.2) + 0.4x = 25
(16 + 0.2x) + 0.4x = 25

Combine like terms: 0.2x + 0.4x = 0.6x
16 + 0.6x = 25

Solving
16 + 0.6x = 25

Solving for variable 'x'.

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

Add '-16' to each side of the equation.
16 + -16 + 0.6x = 25 + -16

Combine like terms: 16 + -16 = 0
0 + 0.6x = 25 + -16
0.6x = 25 + -16

Combine like terms: 25 + -16 = 9
0.6x = 9

Divide each side by '0.6'.
x = 15

Simplifying
x = 15

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