27.7=20.2+b

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Solution for 27.7=20.2+b equation: 


Simplifying
27.7 = 20.2 + b

Solving
27.7 = 20.2 + b

Solving for variable 'b'.

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

Add '-1b' to each side of the equation.
27.7 + -1b = 20.2 + b + -1b

Combine like terms: b + -1b = 0
27.7 + -1b = 20.2 + 0
27.7 + -1b = 20.2

Add '-27.7' to each side of the equation.
27.7 + -27.7 + -1b = 20.2 + -27.7

Combine like terms: 27.7 + -27.7 = 0.0
0.0 + -1b = 20.2 + -27.7
-1b = 20.2 + -27.7

Combine like terms: 20.2 + -27.7 = -7.5
-1b = -7.5

Divide each side by '-1'.
b = 7.5

Simplifying
b = 7.5

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