0.8(x-5)=0.4x-20

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Solution for 0.8(x-5)=0.4x-20 equation: 


Simplifying
0.8(x + -5) = 0.4x + -20

Reorder the terms:
0.8(-5 + x) = 0.4x + -20
(-5 * 0.8 + x * 0.8) = 0.4x + -20
(-4 + 0.8x) = 0.4x + -20

Reorder the terms:
-4 + 0.8x = -20 + 0.4x

Solving
-4 + 0.8x = -20 + 0.4x

Solving for variable 'x'.

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

Add '-0.4x' to each side of the equation.
-4 + 0.8x + -0.4x = -20 + 0.4x + -0.4x

Combine like terms: 0.8x + -0.4x = 0.4x
-4 + 0.4x = -20 + 0.4x + -0.4x

Combine like terms: 0.4x + -0.4x = 0.0
-4 + 0.4x = -20 + 0.0
-4 + 0.4x = -20

Add '4' to each side of the equation.
-4 + 4 + 0.4x = -20 + 4

Combine like terms: -4 + 4 = 0
0 + 0.4x = -20 + 4
0.4x = -20 + 4

Combine like terms: -20 + 4 = -16
0.4x = -16

Divide each side by '0.4'.
x = -40

Simplifying
x = -40

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