0.4(x+20)+0.4x=24

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Solution for 0.4(x+20)+0.4x=24 equation: 


Simplifying
0.4(x + 20) + 0.4x = 24

Reorder the terms:
0.4(20 + x) + 0.4x = 24
(20 * 0.4 + x * 0.4) + 0.4x = 24
(8 + 0.4x) + 0.4x = 24

Combine like terms: 0.4x + 0.4x = 0.8x
8 + 0.8x = 24

Solving
8 + 0.8x = 24

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 = 24 + -8

Combine like terms: 8 + -8 = 0
0 + 0.8x = 24 + -8
0.8x = 24 + -8

Combine like terms: 24 + -8 = 16
0.8x = 16

Divide each side by '0.8'.
x = 20

Simplifying
x = 20

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