.5x+.1(X+20)=3.2

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Solution for .5x+.1(X+20)=3.2 equation: 


Simplifying
0.5x + 0.1(X + 20) = 3.2

Reorder the terms:
0.5x + 0.1(20 + X) = 3.2
0.5x + (20 * 0.1 + X * 0.1) = 3.2
0.5x + (2 + 0.1X) = 3.2

Reorder the terms:
2 + 0.1X + 0.5x = 3.2

Solving
2 + 0.1X + 0.5x = 3.2

Solving for variable 'X'.

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

Add '-2' to each side of the equation.
2 + 0.1X + -2 + 0.5x = 3.2 + -2

Reorder the terms:
2 + -2 + 0.1X + 0.5x = 3.2 + -2

Combine like terms: 2 + -2 = 0
0 + 0.1X + 0.5x = 3.2 + -2
0.1X + 0.5x = 3.2 + -2

Combine like terms: 3.2 + -2 = 1.2
0.1X + 0.5x = 1.2

Add '-0.5x' to each side of the equation.
0.1X + 0.5x + -0.5x = 1.2 + -0.5x

Combine like terms: 0.5x + -0.5x = 0.0
0.1X + 0.0 = 1.2 + -0.5x
0.1X = 1.2 + -0.5x

Divide each side by '0.1'.
X = 12 + -5x

Simplifying
X = 12 + -5x

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