b+12.4=19.8

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Solution for b+12.4=19.8 equation: 


Simplifying
b + 12.4 = 19.8

Reorder the terms:
12.4 + b = 19.8

Solving
12.4 + b = 19.8

Solving for variable 'b'.

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

Add '-12.4' to each side of the equation.
12.4 + -12.4 + b = 19.8 + -12.4

Combine like terms: 12.4 + -12.4 = 0.0
0.0 + b = 19.8 + -12.4
b = 19.8 + -12.4

Combine like terms: 19.8 + -12.4 = 7.4
b = 7.4

Simplifying
b = 7.4

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