10.8+8.7+w=31.0

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Solution for 10.8+8.7+w=31.0 equation: 


Simplifying
10.8 + 8.7 + w = 31.0

Combine like terms: 10.8 + 8.7 = 19.5
19.5 + w = 31.0

Solving
19.5 + w = 31.0

Solving for variable 'w'.

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

Add '-19.5' to each side of the equation.
19.5 + -19.5 + w = 31.0 + -19.5

Combine like terms: 19.5 + -19.5 = 0.0
0.0 + w = 31.0 + -19.5
w = 31.0 + -19.5

Combine like terms: 31.0 + -19.5 = 11.5
w = 11.5

Simplifying
w = 11.5

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