0.5(x-20)=.8

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Solution for 0.5(x-20)=.8 equation: 


Simplifying
0.5(x + -20) = 0.8

Reorder the terms:
0.5(-20 + x) = 0.8
(-20 * 0.5 + x * 0.5) = 0.8
(-10 + 0.5x) = 0.8

Solving
-10 + 0.5x = 0.8

Solving for variable 'x'.

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

Add '10' to each side of the equation.
-10 + 10 + 0.5x = 0.8 + 10

Combine like terms: -10 + 10 = 0
0 + 0.5x = 0.8 + 10
0.5x = 0.8 + 10

Combine like terms: 0.8 + 10 = 10.8
0.5x = 10.8

Divide each side by '0.5'.
x = 21.6

Simplifying
x = 21.6

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