0.4x+0.1(x+20)=5.5

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Solution for 0.4x+0.1(x+20)=5.5 equation: 


Simplifying
0.4x + 0.1(x + 20) = 5.5

Reorder the terms:
0.4x + 0.1(20 + x) = 5.5
0.4x + (20 * 0.1 + x * 0.1) = 5.5
0.4x + (2 + 0.1x) = 5.5

Reorder the terms:
2 + 0.4x + 0.1x = 5.5

Combine like terms: 0.4x + 0.1x = 0.5x
2 + 0.5x = 5.5

Solving
2 + 0.5x = 5.5

Solving for variable 'x'.

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

Add '-2' to each side of the equation.
2 + -2 + 0.5x = 5.5 + -2

Combine like terms: 2 + -2 = 0
0 + 0.5x = 5.5 + -2
0.5x = 5.5 + -2

Combine like terms: 5.5 + -2 = 3.5
0.5x = 3.5

Divide each side by '0.5'.
x = 7

Simplifying
x = 7

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