0.8(x+20)+0.2x=42

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Solution for 0.8(x+20)+0.2x=42 equation: 


Simplifying
0.8(x + 20) + 0.2x = 42

Reorder the terms:
0.8(20 + x) + 0.2x = 42
(20 * 0.8 + x * 0.8) + 0.2x = 42
(16 + 0.8x) + 0.2x = 42

Combine like terms: 0.8x + 0.2x = 1x
16 + 1x = 42

Solving
16 + 1x = 42

Solving for variable 'x'.

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

Add '-16' to each side of the equation.
16 + -16 + 1x = 42 + -16

Combine like terms: 16 + -16 = 0
0 + 1x = 42 + -16
1x = 42 + -16

Combine like terms: 42 + -16 = 26
1x = 26

Divide each side by '1'.
x = 26

Simplifying
x = 26

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