W+0.4=8.1

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Solution for W+0.4=8.1 equation: 


Simplifying
W + 0.4 = 8.1

Reorder the terms:
0.4 + W = 8.1

Solving
0.4 + W = 8.1

Solving for variable 'W'.

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

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

Combine like terms: 0.4 + -0.4 = 0.0
0.0 + W = 8.1 + -0.4
W = 8.1 + -0.4

Combine like terms: 8.1 + -0.4 = 7.7
W = 7.7

Simplifying
W = 7.7

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