.40(2x-20)=2

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Solution for .40(2x-20)=2 equation:


Simplifying
0.40(2x + -20) = 2

Reorder the terms:
0.40(-20 + 2x) = 2
(-20 * 0.40 + 2x * 0.40) = 2
(-8 + 0.8x) = 2

Solving
-8 + 0.8x = 2

Solving for variable 'x'.

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

Add '8' to each side of the equation.
-8 + 8 + 0.8x = 2 + 8

Combine like terms: -8 + 8 = 0
0 + 0.8x = 2 + 8
0.8x = 2 + 8

Combine like terms: 2 + 8 = 10
0.8x = 10

Divide each side by '0.8'.
x = 12.5

Simplifying
x = 12.5

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