0.4x+8.1=5.5

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Solution for 0.4x+8.1=5.5 equation: 


Simplifying
0.4x + 8.1 = 5.5

Reorder the terms:
8.1 + 0.4x = 5.5

Solving
8.1 + 0.4x = 5.5

Solving for variable 'x'.

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

Add '-8.1' to each side of the equation.
8.1 + -8.1 + 0.4x = 5.5 + -8.1

Combine like terms: 8.1 + -8.1 = 0.0
0.0 + 0.4x = 5.5 + -8.1
0.4x = 5.5 + -8.1

Combine like terms: 5.5 + -8.1 = -2.6
0.4x = -2.6

Divide each side by '0.4'.
x = -6.5

Simplifying
x = -6.5

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