b+3.9=10

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Solution for b+3.9=10 equation: 


Simplifying
b + 3.9 = 10

Reorder the terms:
3.9 + b = 10

Solving
3.9 + b = 10

Solving for variable 'b'.

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

Add '-3.9' to each side of the equation.
3.9 + -3.9 + b = 10 + -3.9

Combine like terms: 3.9 + -3.9 = 0.0
0.0 + b = 10 + -3.9
b = 10 + -3.9

Combine like terms: 10 + -3.9 = 6.1
b = 6.1

Simplifying
b = 6.1

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