0.2x+0.4(50-x)=19

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Solution for 0.2x+0.4(50-x)=19 equation: 


Simplifying
0.2x + 0.4(50 + -1x) = 19
0.2x + (50 * 0.4 + -1x * 0.4) = 19
0.2x + (20 + -0.4x) = 19

Reorder the terms:
20 + 0.2x + -0.4x = 19

Combine like terms: 0.2x + -0.4x = -0.2x
20 + -0.2x = 19

Solving
20 + -0.2x = 19

Solving for variable 'x'.

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

Add '-20' to each side of the equation.
20 + -20 + -0.2x = 19 + -20

Combine like terms: 20 + -20 = 0
0 + -0.2x = 19 + -20
-0.2x = 19 + -20

Combine like terms: 19 + -20 = -1
-0.2x = -1

Divide each side by '-0.2'.
x = 5

Simplifying
x = 5

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