6.3=2.3+b

Solution for 6.3=2.3+b equation:

Simplifying
6.3 = 2.3 + b

Solving
6.3 = 2.3 + 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.
6.3 + -1b = 2.3 + b + -1b

Combine like terms: b + -1b = 0
6.3 + -1b = 2.3 + 0
6.3 + -1b = 2.3

Add '-6.3' to each side of the equation.
6.3 + -6.3 + -1b = 2.3 + -6.3

Combine like terms: 6.3 + -6.3 = 0.0
0.0 + -1b = 2.3 + -6.3
-1b = 2.3 + -6.3

Combine like terms: 2.3 + -6.3 = -4
-1b = -4

Divide each side by '-1'.
b = 4

Simplifying
b = 4