20.4=13.7+b

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Solution for 20.4=13.7+b equation:


Simplifying
20.4 = 13.7 + b

Solving
20.4 = 13.7 + 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.
20.4 + -1b = 13.7 + b + -1b

Combine like terms: b + -1b = 0
20.4 + -1b = 13.7 + 0
20.4 + -1b = 13.7

Add '-20.4' to each side of the equation.
20.4 + -20.4 + -1b = 13.7 + -20.4

Combine like terms: 20.4 + -20.4 = 0.0
0.0 + -1b = 13.7 + -20.4
-1b = 13.7 + -20.4

Combine like terms: 13.7 + -20.4 = -6.7
-1b = -6.7

Divide each side by '-1'.
b = 6.7

Simplifying
b = 6.7

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